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Chemistry

Chemistry
Curd is sour due to presenceof

Oxalic acid
Tartaric acid
Lactic acid
Acetic acid

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Chemistry
Which one of the following is used as preservative for foodstuff ?

Sodium Chloride
Picric acid
Glycerine
Sodium Benzoate

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Chemistry
Among the following, carbonate ore of Zinc is

Sphalerite
Calamine
Zincblende
Zincite

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Chemistry
The main constituent of natural gas is

Methane
Propane
Butane
Ethane

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Chemistry
Which one is a soluble salt in H2O

Zn(OH)2
CaCl2
CuS
PbCl2

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Chemistry
Which among the following is a carbohydrate ?

Hydrogen peroxide
Turpentine
Cane-sugar
Nylon

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