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Chemistry

Chemistry
Galena is a mineral of

Lead
Iron
Gold
Calcium

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

CO2
CH4
N2
H2

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Chemistry
Select the one which is not a mixture :

Air
Gasoline
Distilled water
LPG

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Chemistry
Chemical name of vinegar is

Formaldehyde
Acetic acid
Acetone
Ethanol

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Chemistry
Which one of the following does not contain Silver ?

Horn Silver
Lunar Caustic
Ruby Silver
German Silver

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Chemistry
Pyrethrin used in mosquito coil is obtained from

A fungus
A seed plant
An insect
A bacterium

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