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Chemistry

Chemistry
Soap is prepared by boiling caustic soda with

Kerosene oil
Fats
Glycerine
Alcohol

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Chemistry
The manufacture of iron from iron ore involves the process of

Electrolysis
Fractional distillation
Reduction
Oxidation

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

0.05
2
1
0.01

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Chemistry
For a spontaneous chemical process, the free energy change is

Depends on whether the reaction is exothermic or endothermic
Positive
Zero
Negative

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Chemistry
Greenhouse effect is caused by

Carbon dioxide
Nitrogen
Carbon monoxide
Nitrogen dioxide

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Chemistry
The chief source for the production of nitrogeneous fertilizers is :

Nitrogen dioxide
Nitric acid
Nitrogen
Ammonia

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MORE MCQ ON Chemistry

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