Umair Khan Academy

05/08/2026

Class 10 chemistry
new book has COMPLETED NOW.
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20/07/2026

Watch full book class 10 lectures on YouTube

Sir Umair Khan is delivering a very precious lecture on hydrocarbon...

11/07/2026

Class 10 biology chapter 5 coordination 👇🏼

Sir Umair Khan is delivering lecture on Coordination. It explains e...

06/07/2026

Lecture on chapter 19 chemistry class 10 is ready. Follow page

Sir Umair Khan is delivering a wonderful lecture on the compounds o...

05/07/2026

Watch class 10 chapter 3 quickly.

Sir Umair Khan is delivering lecture on blood vessels and cardiovas...

28/06/2026

10 class chapter 17 has ended. Watch on YouTube.

Sir Umair Khan is delivering lecture on the factors affecting the r...

27/06/2026

How to draw Human heart, full topic is here.

The topic is about the human heart. Sir Umair Khan is delivering wo...

20/06/2026

Class 10 chapter 15 Yield | percentage yield and purity | examples 15.17 to 15.18 | Sir Umair Khan
Today we are going to study yield, which is the product obtained in a chemical reaction We will discuss two kinds of yields, one is actual yield and second is theoretical yield with respective formulas. We will also discuss the percentage purity with the percentage purity formula.

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Related terms;
Stoichiometry,
Class 10 chapter 15 lecture 3,
class 10 2nd chapter stoichiometry,
yield, percentage yield, theoretical yield, actual yield, practical yield, calculated yield, percentage purity,
sir umair khan,

Sir umair khan, example number 15.6 solved, class 10 chemistry, 10 class chemistry chapter 15, limiting reactant, limiting reactant with concept.

19/06/2026

Class 10 chapter 15 Stoichiometry | Limiting reactant concept | examples 15.16 | Sir Umair Khan
Today Sir Umair Khan is delivering lecture on limiting reactant which is a very important concept from exam point of view with relevant example. Basic concept focus on.
What is limiting reactant and how to identify a limiting reactant and what is the role of limiting reactant.

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All lectures are here.
https://youtube.com/playlist?list=PLFHaTh5Ee2itEp1b6OkmbcPPXUeJBzYSV&si=SiGFL_lcorckXPwb

Join WhatsApp channel for useful updates.
https://whatsapp.com/channel/0029VaUmYiHKmCPZ0yW76o0Z

Related terms;
Stoichiometry,
Class 10 chapter 15 lecture 3,
class 10 2nd chapter stoichiometry,
define molecular formula,
10 class chemistry,
sir umair khan,

Sir umair khan, example number 15.6 solved, class 10 chemistry, 10 class chemistry chapter 15, limiting reactant, limiting reactant with concept.

19/06/2026

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The new books for Class 12 Punjab Board 2026 are now available for download. Students can easily access the latest textbooks according to the updated syllabus issued by PECTAA. Available Subjects You can find books here (Some Books will be…