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Chemistry

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

120 gms
1.2 gms
0.12 gms
12 gms

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Chemistry
The most abundant metal in the Earth’s crust is

Iron
Zinc
Aluminium
Copper

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Chemistry
Tear gas is :

Chloroprene
Bleaching powder
Nitrous oxide
Carbonyl chloride

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Chemistry
Which among the following elements is found in maximum percentage in the human body ?

Nitrozen
Carbon
Oxyzen
Hydrogen

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Chemistry
Which one is the simplest aromatic hydrocarbon

Aspirin
Chloride
Picric acid
Benzene

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Chemistry
Nucleus of an atom consists of.

Neutron
Proton and Neutron
Proton
Electron, Proton and Neutron

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