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Chemistry

Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Carbon dioxide
Oxygen
Hydrogen

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Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Domestic sewage
Storm water
Refuse
Sullage

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Chemistry
Cooking gas is a mixture of

Butane and propane
Carbon monoxide and carbon dioxide
Carbon dioxide and oxygen
Methane and ethylene

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Chemistry
Helium gas is filled in ballons because

It is lighter than air
It is one of the constitutents of water
Its atomic number is 2
It is a noble gas

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Chemistry
Vinegar made by fermentation from cane sugar contains

Citric acid
Palmitic acid
Acetic acid
Lactic acid

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Chemistry
What is the atomic number of mercury

63
32
41
80

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MORE MCQ ON Chemistry

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