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Chemistry

Chemistry
The number of waves in n x 10th Bohr's orbit are

n
n-2
n3
n2

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Chemistry
Citric acid is present in free form in

Tamarind
Milk
Lemon
Apple

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Chemistry
The most abundant element in the human body is

Oxygen
Carbon
Iron
Nitrogen

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Chemistry
An important green-house gas other than methane being produced from the agricultural fields is

Arsine
Ammonia
Sulphur dioxide
Nitrous oxide

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Chemistry
Which one of the following elements is used in the manufacture of fertilizers ?

Fluorine
Lead
Aluminium
Potassium

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Chemistry
Which is not a green house gas ?

Chlorofluorocarbons
N2O
CO2
CH4

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MORE MCQ ON Chemistry

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