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Chemistry

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

CH4
H2
N2
CO2

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Chemistry
Cinnabar is an ore/mineral of

Lead
Manganese
Mercury
Molybdenum

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Chemistry
A matured mammalian cell without nucleus is

Lymphocyte
Oocyte
Erythrocyte
Spermatozoan

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Chemistry
If we burn graphite,

Residue will be left
It will not burn
No residue will be left
It will change into diamond

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Chemistry
Baking soda is :

Sodium bicarbonate
Sodium carbonate
Sodium hydroxide
Potassium carbonate

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Chemistry
The pair of compounds used as anaesthetic in medicines :

Ether, Ammonia
Nitrous oxide, Chloroform
Nitrogen dioxide, ether
Chloroform, Nitrogen dioxide

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