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Chemistry

Chemistry
CNG used in automobiles to check pollution, mainly consists of

N2
CH4
CO2
H2

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Chemistry
Gunpowder consits of a mixture of

TNT and charcoal
Sand and TNT
Sulphur, sand and charcoal
Nitre, sulphur and charcoal

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Chemistry
The nuclear particle having no mass and no charge, but only spin is

Meson
Proton
Electron
Neutrino

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

2 : 16 : 1
2 : 16 : 2
1 : 16 : 2
1 : 1 : 1

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Chemistry
The “King of Metals” is :

Silver
Gold
Aluminium
Iron

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Chemistry
Interveinal necrotic spots on leaves appear due to

NO2injury
SO2injury
HF injury
O3injury

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MORE MCQ ON Chemistry

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