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Chemistry

Chemistry
The gas used for artificial fruit ripening of green fruit is

Acetylene
Methane
Ethane
Ethylene

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Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Methane
Acetylene
Ethyl formate
Methyl alcohol

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Chemistry
Which metal is extracted from sea water?

Beryllium
Potassium
Magnesium
Aluminium

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Chemistry
Which one of the following is found in Vinegar ?

Formic acid
Butyric acid
Propionic acid
Acetic acid

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Chemistry
Depletion of ozone layer causes

Breast cancer
Lung cancer
Skin cancer
Blood cancer

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Chemistry
Aquaregia is a mixture of the following in the ratio 1 : 3 by volume

Conc. HCl and conc. HNO3
Dil. HCl and dil. HNO3
Conc. HNO3 and conc. HCl
Conc. HNO3 and conc. H2SO4

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