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Chemistry

Chemistry
What is the atomic number of mercury

41
80
63
32

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Chemistry
Sweat contains water and ________

Citric acid
Vinegar
Lactic acid
Salt

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Chemistry
CNG used in automobiles to check pollution, mainly consists of

CO2
N2
H2
CH4

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Chemistry
The product, 9-nitroanthracene is obtained from anthracene by the action of

Nitric acid and acetic acid
Nitric acid in excess
Nitric acid and acetic anhydride
Nitric acid and ethyl alcohol

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Chemistry
Ethanol containing 5% water is known as

Methylated alcohol
Denatured spirit
Power alcohol
Rectified spirit

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Chemistry
Acid rain is caused due to pollution of atmosphere by

None of these
Oxides of nitrogen and sulphur
Oxides of carbon and nitrogen
Oxides of nitrogen and phosphorous

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