Chemistry Practice Question and Answer
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Q: In which process is a protective zinc coating applied on iron to prevent it from rusting?
1373 060927508cc29175f0f879192
60927508cc29175f0f879192- 1Galvanisationtrue
- 2Annealingfalse
- 3Smeltingfalse
- 4Weldingfalse
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Answer : 1. "Galvanisation"
Q: Substances that have a sour taste and which makes a solution of blue litmus red are called?
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5f697b91397b1a52908c03b2- 1acidtrue
- 2saltsfalse
- 3consumedfalse
- 4Basefalse
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Answer : 1. "acid"
Q: Alpha particles are ___________.
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62f33ba13342ab1184379169- 1twice the mass of beta particlesfalse
- 2negatively chargedfalse
- 3just like helium nucleitrue
- 4lower in ionizing power as compared to gamma raysfalse
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Answer : 3. "just like helium nuclei"
Q: The helical structure of protein is stabilized by
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638de03d34f83f14728dfb2f- 1Depeptide bondsfalse
- 2Hydrogen bondstrue
- 3Ester bondsfalse
- 4Peptide bondsfalse
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Answer : 2. "Hydrogen bonds"
Q: Which of the following has the least melting point?
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609e4d5d6397877f31964090- 1Carbonfalse
- 2Silverfalse
- 3Mercurytrue
- 4Goldfalse
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Answer : 3. "Mercury "
Q: Herbs- The decomposition of vegetables into compost is an example of which reaction?
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5f697a52f9079a64e3a50eab- 1endothermicfalse
- 2exothermictrue
- 3substitutionfalse
- 4Amphibianfalse
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Answer : 2. "exothermic"
Q: Which of the following laws suggest a direct relationship between Temperature and Volume of a gas?
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5fe9ac31755fc73bd07965d6- 1Avogadro rulefalse
- 2Charles ruletrue
- 3Boyle rulefalse
- 4None of thesefalse
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Answer : 2. "Charles rule"
Q: Silver and copper heat?
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61275c9cdbe92e068b911a69- 1are the best driverstrue
- 2are less conductorsfalse
- 3are dielectricsfalse
- 4is the best conductorfalse
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Answer : 1. "are the best drivers"
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