1-Explain the emergence of a positive Molischʼs test in the form of a purple ring? 2-Why do add H2SO4 slowly and carefully? 3- Why αlph-naphthol prepare fresh ? 4- What is the scientific principle for Molischʼs test ? 5- What is the purpose of the Molischʼs test? 6- What is the role of concentrated H2SO4 in the Molischʼs test? 7-Can we use another substance instead of Alphanphthol what is it?
Who is here day before practical exam 😂
🤣🤣 here i am
I am also 😂
1-Explain the emergence of a positive Molischʼs test in the form of a purple ring?
2-Why do add H2SO4 slowly and carefully?
3- Why αlph-naphthol prepare fresh ?
4- What is the scientific principle for Molischʼs test ?
5- What is the purpose of the Molischʼs test?
6- What is the role of concentrated H2SO4 in the Molischʼs test?
7-Can we use another substance instead of Alphanphthol what is it?
اريد جواب ذني الاسئله
ممكن تودين اذا عدج جواب الهن
Becaue alpha nepthol is unstable so it should be prepared fresh
جواب س 2/
نضيف H2so4 ببطى وبحذر حتى لايتفحم السكر وتفشل التجربة
س 5/
الغرض منه الكشف عن جميع الكاربوهيدرات
س6/عامل مجفف
س7/الثايمول
What is sample solution used which carbohydrates?
Was very helpful
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Nice video
OS means?
It is important for theory exam or not please inform me
These are important for practicals
Jee
Sir violet ring observed only for pentose or any other compound ?
It’s a Group test for detecting Carbohydrates.
Thank you 😊😊
thank you
wonderful
What was the sample used
Thank you very much ma'am ❣️
Jai mata di 💞🤗😁🙌❤️🙏
What I was the solution you added
Sulfuric must added very slowly....ur doing it too fast.
What is the reason
Tu baap se bhi zyada janta hai kya
Play in .25 speed
is alpha nephtol only called as molish reagent
Yes
2 ml sample
1 ml of 1 % alc alpha napthole
2 ml h2so4
Purple 💜
Please tell why we used naptol and not molish reagent
Alpha naphthol is the molisch reagent
@@lucid_iris I asked this question 3 months ago 🥲.Now my semester also changed.By the way thanks bro
How do we prepare sample solution for this test
It’s glucose
What substance is the sample?
Same doubt
It's glucose ig
For negative result which sample is used
@@diksharana1066sample is just a random substance. For negative the sample can be anything except for carbohydrates
Helpful
Ring is not created in solution 😔
Ring is form but add H2SO4 slowly
very nice
Sample kaise banaya
Very good
Sample?
Os kya hai iska means
Original solution or Sample
Os means
1:21 wah slowly dala hai
Test failed 😂
Be kind
Chud gye guru
كيم ١٠٩ ✨✨
ماذا تقصد ؟
I have one doubt PLZZ anyone reply mee here sample is means whattt
Original solution containing any carbohydrates
It's the sugar solution .
like glucose
Aqous water + salt is given = original solution ok ❤❤❤❤
Urine
😊
Nice tooo
Geetanjali se kon kon h yaha 😂
Thank you
One more
Bzu wala like kre
Slowly....xD
Sorry but seems crappy...
in what way exactly? construction criticism is much more helpful :)
mommy
@@vedanapunsuk4938 literally me
Ma'am ur name pls
Thank you
thank you