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Class 9Class 10First YearSecond Year

Math

Physics

Chemistry

09Chemical Equilibrium

6048 Doubt Solutions

10Acid,Bases And Salts

6720 Doubt Solutions

11Organic Chemistry

7392 Doubt Solutions

12Hydrocarbons

8064 Doubt Solutions

13Biochemistry

8736 Doubt Solutions

14Environment Chemistry The Atmosphere

9408 Doubt Solutions

15Water

10080 Doubt Solutions

16Chemical Industries

10752 Doubt Solutions

9. Enzymes are proteins which one of the following properties they do not have?a. they catalyze reactionb. they are highly non-specificc. they are highly efficientd. they are produced by living cells

$17. Justify that water soluble vitamins are not injurious to health.$

$12. Give the general formula of the lipids.$

$8. Which one of followings is a triglyceride?a. carbohydratesb. proteinsc. lipidsd. vitamins$

$Explain the sources and uses of proteins.$

$6. Glucose is:a. hexahydroxy aldehydeb. hexahydroxy ketonec. pentahydroxy aldehyded. pentahydroxy ketone$

$19. What is the function of DNA?$

Class 10 Chemistry Biochemistry