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Chemistry Practice Test
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Chemistry Practice Test
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25 Questions

1. Insulin is
2. The octane number of zero is assigned to
3. The pH value of water used for a boiler should be nearly
4. Until the nineteenth century, aluminium was almost as expensive as gold. The invention of an inexpensive way to extract this metal by a 22-year-old American made this metal inexpensive subsequently. The inventor was
5. The process of aluminothermy involves
6. Which was the first organic compound to be synthesized in a laboratory?
7. How can a heap of oily clothes catch fire without the presence of a flame?
8. Which of the following is likely to reach our body via the food chain in the event of an atomic bomb explosion?
9. Solder is an alloy of
10. The following are the half-lives of four active isotopes. Which of the following is the most dangerous to handle?
11. Annealing is heating
12. Which of the following gases in air unites with many metals?
13. White lead is used as a
14. Gelatin is added to ice cream to
15. Nitriding is heating steel
16. Which of the following metals can be extracted from an ore called cassiterite?
17. Which among the following is in a liquid state at normal room temperature?
18. A common method of detecting nuclear radiation involves the use of
19. 1-bromo-1-chloro 2, 2, 2 trifluoroethane is commonly used as
20. Nitrogen cannot form complexes because
21. Heavy water is
22. Which of the following elements behaves both as a metal and a non-metal chemically?
23. Tetraethyl lead is
24. Which of the following substances is not a raw material required for paint industries?
25. The standard reduction potential of hydrogen is taken as