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Chemistry

Chemistry
Molasses a by-product in the manufacture of sugar, is converted into

Fuel
Paper
Pulp
Alcohol

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Chemistry
The number of hydrogen bonds between guanine and cytosine in DNA is

1
4
3
2

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Chemistry
Baking soda is :

Sodium carbonate
Sodium bicarbonate
Potassium carbonate
Sodium hydroxide

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

All listed here
Sodium Chloride
Dry ice or frozen carbon dioxide
Silver Iodide

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Chemistry
Chemical name of bleaching powder is :

Calcium bi chloride
Calcium hypochlorite
Calcium chlorate
Calcium chloro hypochlorite

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Chemistry
It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of

Unburnt petrol
SO2
CO2
CO

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MORE MCQ ON Chemistry

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