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Chemistry Practice Test
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Chemistry Practice Test
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25 Questions

1. Glass is a good
2. 14C6 has a half-life of 5,760 years. The number of years in which 100g of the sample will be reduced to 25 grams is
3. The chemical name of bauxite is
4. 1-bromo-1-chloro 2, 2, 2 trifluoroethane is commonly used as
5. Synthetic detergents are
6. The standard reduction potential of hydrogen is taken as
7. Which of the following elements behaves both as a metal and a non-metal chemically?
8. How can a heap of oily clothes catch fire without the presence of a flame?
9. Nitrogen cannot form complexes because
10. The pH of a base solution is always
11. Rain water helps to increase _____ to some extent.
12. Magnesium burns in air forming
13. In an adiabatic process,
14. Sulphide ores of metals are concentrated by
15. In a breeder nuclear reactor,
16. Heavy water is called as 'heavy' because it
17. Broken glass that is used in the manufacture of glass is called as
18. The brown ring test is used for the
19. Which of the following gases is used in cigarette lighters?
20. Which of the following laws is not related to gases?
21. The two minerals which are involved in transmitting nerve impulses in the human body are
22. Gypsum is
23. 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
24. Two elements frequently used for making transistors are
25. Development of the ultra-microscope makes use of the

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