1. The drugs caffeine, tannin, nicotine are
2. Colored glass, coral, ruby glass, metal alloys are colloidal solutions of
3. Which carbohydrate is NOT a hexose?
4. A solution of potassium nitrate is
5. How is the degree of hardness of water expressed?
6. Vinegar is
7. Rain water helps to increase the ___ of the soil.
8. Which one of the following is NOT found in Protein?
9. Magnetron is used for the production of
10. The fertilizer essential for the growth tobacco is
11. Which one of the following chemicals is used in Beauty Parlous for Hair-setting?
12. The ore of manganese is
13. Copper sulphate solution conducts the current by
14. Match List 1 correctly with List 2 and select your answer
List – 1
List – 2
15. Lack of essential amino acids in diet causes
16. consider the following sentecnes
17. Number of Amino acids that can be synthesized by the human body is
18. Consider the following statements
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