I have a question concerning luminous and non luminous flame . Our chem teacher taught us that in luminous we say has less heat and more light as separate points and non luminous we say more heat less light . But you mentioned at 47:55 that we should avoid negative answers . So is using less light / less heat okay?
Heey sasa. The teacher is very right.. by negative i meant,, like example;; Luminous produces light while Non Luminous does NOT produce light. Using NOT is negative so avoid using this.. Your teacher also avoided the negative. You see instead of the teacher saying Does NOT, he said that Non Luminous produces less light, which is right. So interms of Light and Heat. We can say this to avoid using NOT. *Luminous produces much light while Non Luminous produces less light. (Dont say Non Luminous does NOT produce light. Utapata wrong) *Luminous produces less heat while Non Luminous produces much heat. (Dont say Luminous does NOT produce heat. Utapata wrong)
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Thanks so much. I'm a bit confused in solubility part in chromatography. We were told by our chem teacher that pigments which are more soluble and less adsorbed are carried furthest
melting and weakening in this case ni still correct. some books say they weaken some say they break. however, in physics we see that energy can never be broken or diminished, its only converted to another form.. therefore, hi ni biology, weakening or breaking of the force, is same thing according to our case
When giving the point on difference between luminous and non luminous , how would you give the point on being sooty without using a negative statement on non luminous
hallo. if you are to mention uses of bases,, mention a specific base, then its use.. do not generalize and say bases are used for this or that. mention a specific base and say its use as explained below;;; 1. **Sodium Hydroxide (NaOH)** - **Soap Making:** Used to produce soaps and detergents by saponifying fats and oils. - **Paper Manufacturing:** Employed in the pulping process to separate lignin from cellulose fibers. - **Drain Cleaning:** Common ingredient in drain cleaners to dissolve organic matter. 2. **Potassium Hydroxide (KOH)** - **Biodiesel Production:** Used as a catalyst in the transesterification process to produce biodiesel from vegetable oils or animal fats. - **Battery Electrolytes:** Utilized in alkaline batteries as an electrolyte. 3. **Calcium Hydroxide (Ca(OH)₂)** - **Soil Treatment:** Known as lime, used to neutralize acidic soils in agriculture. - **Water Treatment:** Used to soften water by removing carbonate hardness. 4. **Ammonia (NH₃)** - **Fertilizers:** Used to produce various nitrogen-based fertilizers, such as ammonium nitrate. - **Cleaning Products:** Commonly found in household cleaners for its effectiveness in breaking down grime and grease. 5. **Magnesium Hydroxide (Mg(OH)₂)** - **Antacids:** Used in medications like milk of magnesia to neutralize stomach acid and relieve indigestion. - **Laxatives:** Acts as a laxative by drawing water into the intestines. 6. **Sodium Bicarbonate (NaHCO₃)** - **Baking:** Used as a leavening agent in baking to cause dough to rise. - **Fire Extinguishers:** Component of some fire extinguishers for its ability to produce carbon dioxide and smother flames. - **Cleaning Agent:** Used as a mild abrasive and deodorizer in household cleaning products. 7. **Calcium Carbonate (CaCO₃)** - **Construction:** Used as a primary component in cement and mortar. - **Antacid:** Used in over-the-counter antacids to neutralize stomach acid. 8. **Lithium Hydroxide (LiOH)** - **Batteries:** Used in the production of lithium-ion batteries. - **Carbon Dioxide Scrubbers:** Employed in spacecraft and submarines to remove CO₂ from the air. These specific examples illustrate the diverse applications of bases in various fields.
Thanks so much..u r a nice teacher but .. there's somewhere I didn't get you ..the definition of kinetic theory of matter the definition u have said is for physics according to our teacher and the definition in chem is matter is made up of small particles that are in continuous state of motion...which is which
Mr william ..i feel proud to see my biology teacher ...watu wa 2blue
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tcher plz complete Form2 work
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I appreciate for helping me in revision hope I will meet for of your videos as time goes by I owe u one
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Thanks for the lesson. I understood chemistry better though you skipped question 11 on the uses of acids .
i did?? aya ata skujua
thank u bcoz i have understood the diffrence btwn chromatography and solvent extraction
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I have a question concerning luminous and non luminous flame .
Our chem teacher taught us that in luminous we say has less heat and more light as separate points and non luminous we say more heat less light . But you mentioned at 47:55 that we should avoid negative answers . So is using less light / less heat okay?
Heey sasa. The teacher is very right..
by negative i meant,, like example;;
Luminous produces light while Non Luminous does NOT produce light.
Using NOT is negative so avoid using this..
Your teacher also avoided the negative.
You see instead of the teacher saying Does NOT, he said that Non Luminous produces less light, which is right.
So interms of Light and Heat. We can say this to avoid using NOT.
*Luminous produces much light while Non Luminous produces less light. (Dont say Non Luminous does NOT produce light. Utapata wrong)
*Luminous produces less heat while Non Luminous produces much heat. (Dont say Luminous does NOT produce heat. Utapata wrong)
@@KCSEBIOLOGYoh okay thanks
@KCSE BIOLOGY please I need your help teacher
heey
naona ni late reply but hope i still can
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Hi I love your lesson but if you don't mind can you talk about a method that can separate a red pigment from a chromotogram
Yes the method is solvent extraction
Thanks for helping our students ☺️ 😊😊😊
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You are the best teacher ❤👏👏👏👏
shukran na asante
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Perfect teacher i liked your lesson
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join my Chemistry telegram channel to obtain notes and past papers;,
t.me/KCSEChemistry
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join my Biology telegram channel to obtain notes and past papers;,
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Thanks so much.
I'm a bit confused in solubility part in chromatography. We were told by our chem teacher that pigments which are more soluble and less adsorbed are carried furthest
this is a great insight 😱
So is it correct??
@@IreneChepleting-n1x yes this is true
How do you know that a graph is pure or impure..... ?!
a pure graph has sharp melting and boiling point.
an impure graph doesnt have sharp melting and boiling point.
Woow thanks alot mwalimu you made start loving chemistry 🙏🙏
am glad much
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Hi I love your lesson ❤
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Plz can you send us a lesson of acid and bases
acid bases indicators??
Thank you mwalimu you have made my day
My pleasure
There is a correction in evaporation stage ,the intermolecular forces are broken because they were already weakened in the melting stage.
please confirm which time in video.. .
1.01
melting and weakening in this case ni still correct. some books say they weaken some say they break.
however, in physics we see that energy can never be broken or diminished, its only converted to another form..
therefore, hi ni biology, weakening or breaking of the force, is same thing according to our case
Wow napenda vile una correct nice👏👏👏👏
Wow napenda vile una correct nice👏👏👏👏
understood sir, what about BIOLOGY COZ iwant to become a good surgeon in future,iknow yuo can help me ,plzzzz sir.
yes i will.. please go through my vids.. for more notes and revision materials, please email me.
as well join my telegram groups for bio and chem
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Uar really teacher and I'm getting u clearly u made me pass
hapo sawa am glad to hear this
Thank you Teacher for helping learners ❤❤❤❤❤❤😅😅😢
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Plz can u come to malawi
hallo there. hopefully i will
Thanks teacher
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Wow.whatagreat teacher you are.
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When giving the point on difference between luminous and non luminous , how would you give the point on being sooty without using a negative statement on non luminous
you could say, the Luminous flame produces more soot while the non luminuous flame produces less soot
Thankyluvery muchsir for theknowledge you are impacting on kids🙏
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U are a good teacher bcz there is nothing I was understanding by my chemistry teacher
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And I have alot of questions how can I reach you and ask the questions,I am a form one and I don't know much
Please contact me via my email;
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as well you may ppst the queations here for others also to benefit from them. and i will answer all
thanks to you i got 99 per cent
aaah nice am glad.. more success to you
If an impurity raises the b.p of a liquid,why can't we say the b.p of water is108
yes it must be any value from the normal 100°C..
maybe 101, 108, 120 or more
Thanks alot mwalimu
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Hi thanks for the lesson but can you explain atoms if you don't mind
hi. will do so soon
Best teaching 👍🙏
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@@KCSEBIOLOGY ok
asante
May god give you more ❤❤❤❤❤❤❤❤❤
amen i recieve
Aki teacher u re teaching very well
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U are better than our teacher❤
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Ur really agood teacher
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the teacher is understandable
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Enjoyable and understandable
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Thank you so much.I used have negative attitude towards chem but not anymore.right now i am in in form 3 i hope i will catch up very soon.
kabisaa! more revision = more intelligence
A good explanation
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I like it best ginius
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🎉 thanks 🙏
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U are agreat teacher
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Thank you
welcome emily
Mr William our chemistry teacher 1 yellow
Feel proud of you 👏
graçias 👍.... say hi when we get back to school.
great👍
You are teaching nicely.may God bless u😅
thank you much
What are the uses of bases for a form 1
hallo. if you are to mention uses of bases,, mention a specific base, then its use..
do not generalize and say bases are used for this or that.
mention a specific base and say its use as explained below;;;
1. **Sodium Hydroxide (NaOH)**
- **Soap Making:** Used to produce soaps and detergents by saponifying fats and oils.
- **Paper Manufacturing:** Employed in the pulping process to separate lignin from cellulose fibers.
- **Drain Cleaning:** Common ingredient in drain cleaners to dissolve organic matter.
2. **Potassium Hydroxide (KOH)**
- **Biodiesel Production:** Used as a catalyst in the transesterification process to produce biodiesel from vegetable oils or animal fats.
- **Battery Electrolytes:** Utilized in alkaline batteries as an electrolyte.
3. **Calcium Hydroxide (Ca(OH)₂)**
- **Soil Treatment:** Known as lime, used to neutralize acidic soils in agriculture.
- **Water Treatment:** Used to soften water by removing carbonate hardness.
4. **Ammonia (NH₃)**
- **Fertilizers:** Used to produce various nitrogen-based fertilizers, such as ammonium nitrate.
- **Cleaning Products:** Commonly found in household cleaners for its effectiveness in breaking down grime and grease.
5. **Magnesium Hydroxide (Mg(OH)₂)**
- **Antacids:** Used in medications like milk of magnesia to neutralize stomach acid and relieve indigestion.
- **Laxatives:** Acts as a laxative by drawing water into the intestines.
6. **Sodium Bicarbonate (NaHCO₃)**
- **Baking:** Used as a leavening agent in baking to cause dough to rise.
- **Fire Extinguishers:** Component of some fire extinguishers for its ability to produce carbon dioxide and smother flames.
- **Cleaning Agent:** Used as a mild abrasive and deodorizer in household cleaning products.
7. **Calcium Carbonate (CaCO₃)**
- **Construction:** Used as a primary component in cement and mortar.
- **Antacid:** Used in over-the-counter antacids to neutralize stomach acid.
8. **Lithium Hydroxide (LiOH)**
- **Batteries:** Used in the production of lithium-ion batteries.
- **Carbon Dioxide Scrubbers:** Employed in spacecraft and submarines to remove CO₂ from the air.
These specific examples illustrate the diverse applications of bases in various fields.
@@KCSEBIOLOGY do the same apply for uses of acids
yes.. if it is acids, mention a specific acid and how it is used.
dont generalize and say acids are used..
Thanks a lot
much welcome
It have really help😅
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Uko sawa na unaweza eleza kuhusu separation of mixtures
sawa.. coming soon
at what temperature does water melts
braaaa
0°C
Thanks mwalimu
welcome much
God Bless you
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I cannot really get the apparatus they are confusing
please rewatch again. also consult klb 1st and 2nd topic. youl get most details of the apparatus in this section
thks u have taught me and I appreciate for that 🙏🙏❤❤
hapo sawa. please;
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i update all my classes in youtube for now. please like share subscribe
i update all my classes in youtube for now. please like share subscribe
Tuko na mwalimu huku mbita high nini float form 1 pink
Pole sana. Somasoma itaingia
Woohoo 🎉🎉😅 I have get it well I appreciate you teacher may God bless you for sharing your knowledge 😅😅😅😅😅😅😅🎉🎉a great and strong A
Thank you get that strong and great A
I can if I want 🎉🎉
May God bless you for your confidence
Woohoo 🎉🎉🎉🎉😅😅😅
i am glad mazeeee.. pita kwa bidii
How do i pass or do well in chemistry?🙂🙂
find a revision book.
*do ALOT OF QUESTIONS
*write short notes as you revise
*ask wbere you dont understand
I love you lesson aki
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Thanks so much..u r a nice teacher but .. there's somewhere I didn't get you ..the definition of kinetic theory of matter the definition u have said is for physics according to our teacher and the definition in chem is matter is made up of small particles that are in continuous state of motion...which is which
constant random na continuos random ni same. unless sielewi what you asking
Thanks alot teacher I got A on chemistry just because of you
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Hi I love you teaching can just explain how to separate the method of crystallography
crystallography?
which are u in sir
just asking?
youtube online school
Can we say simple distilation separate miscible liquids with wide range boiling points
simple distillation separates solutions.. fractional distillation separates miscible liquids
Can I reply
yes you may please
Thank you very much for helping me revise for one as a candidate of 2024. MAY GOD BLESS YOU😄😄😄👏👏👏
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Hi I've loved the lesson and can u plz elaborate more on separating of liquefied air
sawasawa.. coming up
Thanks sir
much welcome
now ready to learn
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What is the meaning of alkaline
any substance having a pH more than 7. may also mean base
Great
shukran 👍. share ukiweza
Wow
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Can you please teach biology
biology form 1 ziko mingi.. just check 👍
J
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Well done
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