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Chemistry

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

1.2 gms
12 gms
0.12 gms
120 gms

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Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

As
P
N
Bi

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Chemistry
The inert gas used as beacon light is

Ar
Ne
Kr
He

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Chemistry
Which of the following substance's smell is similar to Ethanoic acid?

Kerosene
Lemon
Tomato juice
Vinegar

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Methane
Ozone gas
Carbon Monoxide
Carbon dioxide

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Chemistry
The acid used in lead storage cells is

Phosphoric acid
Nitric acid
Sulphuric acid
Hydrochloric acid

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