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Chemistry

Chemistry
The most volatile of the given liquids is

Ether
Liquid NH3
Liquid
Liquid He

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

Sodium peroxide
Ozone
Hydrogen peroxide
Barium peroxide

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Chemistry
Number of hydrogen atoms in a Glucose molecule

6
14
8
12

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Chemistry
Brass is a solution of molten copper in

Gaseous zinc
Molten tin
Solid zinc
Molten zinc

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

None of these
Carbon
Oxygen
Hydrogen

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Chemistry
Which of the following metals form an amalgam with other metals ?

Tin
Lead
Mercury
Zinc

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