Practice Question and Answer
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Q: Nail polish remover contains ? 1855 05c2dbdbcbc106c237a22c18f
5c2dbdbcbc106c237a22c18f- 1benzenefalse
- 2acetic acidfalse
- 3acetonetrue
- 4petroleum etherfalse
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Answer : 3. "acetone"
Q: What is a mixture of potassium nitrate powdered charcoal and sulphur called? 1861 05c2dbd92bc106c237a22c18a
5c2dbd92bc106c237a22c18a- 1paintfalse
- 2aluminiumfalse
- 3brassfalse
- 4gun powdertrue
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Answer : 4. "gun powder"
Q: Which metal is heaviest ? 2011 05c2dbd66bc106c237a22c185
5c2dbd66bc106c237a22c185- 1osmiumtrue
- 2mercuryfalse
- 3ironfalse
- 4nicklefalse
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Answer : 1. "osmium"
Q: Bleaching action of chlorine is by 2176 05c2dbd3b0cb513238953f927
5c2dbd3b0cb513238953f927- 1decompositiontrue
- 2hydrolysisfalse
- 3reductionfalse
- 4oxidationfalse
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Answer : 1. "decomposition"
Q: What is Calcium sulphate ? 2058 05c2dbd0fbc106c237a22c180
5c2dbd0fbc106c237a22c180- 1epsom saltfalse
- 2blue vitroilfalse
- 3gypsum salttrue
- 4potash alumfalse
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Answer : 3. "gypsum salt"
Q: Which is used in preparation of dynamite ? 3469 05c2dbce0bc106c237a22c17b
5c2dbce0bc106c237a22c17b- 1glyceroltrue
- 2ethyl alcoholfalse
- 3methyl alcoholfalse
- 4glycolfalse
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Answer : 1. "glycerol"
Q: Oil of vitriol is 2154 05c2dbcb10cb513238953f916
5c2dbcb10cb513238953f916- 1nitric acidfalse
- 2sulphuric acidtrue
- 3hydrochloric acidfalse
- 4phosphoric acidfalse
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Answer : 2. "sulphuric acid"
Q: What among following is used to produce artificial rain ? 2444 05c2dbc879fd00135a4b21168
5c2dbc879fd00135a4b21168- 1copper oxidefalse
- 2carbon monoxidefalse
- 3silver iodidetrue
- 4silver nitratefalse
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Answer : 3. "silver iodide"
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