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Chemistry

Chemistry
In silvery paints, the main constituent present is

Aluminium powder
Lead powder
Silver powder
White lead

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Chemistry
Detergents are

None of these
Sodium salts of fatty acids
Sodium salts of sulphonic acids
Sodium salt of benzoic acid

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Chemistry
Which of the following is used to denature ethanol ?

Methane
Phenol
Methyl alcohol
Propyl alcohol

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Chemistry
Hard steel contains

0.1 to 0.4 per cent carbon
0.5 to 1.5 per cent carbon
0.01 to 0.04 per cent carbon
2 to 5 per cent carbon

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Chemistry
When iron rusts, its weight

Remains the same
First increases and then decreases
Decreases
Increases

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Chemistry
Milk is

Emulsion
Gel
Foam
Suspension

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