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Chemistry

Chemistry
The chief constituent of vinegar is

Salycylic acid
Acetic acid
Formic acid
Oxalic acid

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Chemistry
Alcoholic (– OH) group can be identified by :

Tollen's Reagent Test
Esterification Test
FeCl3Test
Ozonolysis Reaction

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Chemistry
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

6.023 x 1019
1.568 x 103
4.84 x 1017
6.023 x 1023

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Chemistry
Which one of the following is used to restore the colour of old oilpaintings ?

Barium peroxide
Hydrogen peroxide
Sodium peroxide
Ozone

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethane
Acetylene
Ethylene
Methane

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Chemistry
________ gives hardness to stainless steel.

Tin
Zinc
Carbon
Lead

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MORE MCQ ON Chemistry

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