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Chemistry

Chemistry
The drug ‘Marijuana’ is a

Hallucinating substance
Tranquillizer
Mental stimulant
Sedative

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Chemistry
Bleaching powder is used in drinking water as a/an

Coagulant
Antibiotic
Antiseptic
Disinfectant

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Chemistry
What is the most common salt in sea water ?

Potassium chloride
Magnesium sulphate
Sodium chloride
Calcium carbonate

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Chemistry
The weight of 6.023 × 1022 atoms of carbon is

1.2 gms
12 gms
0.12 gms
120 gms

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Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

Parathion
Lindane
DDT
Carbary

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Manganese
Mica
Chromite
Bauxite

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MORE MCQ ON Chemistry

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