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Chemistry

Chemistry
In electro-refining, the pure metal is deposited on

Electrolyte
Anode
Vessel
Cathode

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Chemistry
Commercial Vaseline is derived from

Wool wax
Plant gums
Coal tar
Petroleum

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Chemistry
The heat value of combustion of Gasoline is

14600 kJ/kg
12600 kJ/kg
39400 kJ/kg
47000 kJ/kg

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

Hydrogen peroxide
Sodium peroxide
Ozone
Barium peroxide

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Chemistry
Chile saltpeter is the common name of:

Sodium nitrite
Sodium nitrate
Potassium nitrate
Potassium nitrite

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Chemistry
The National Chemical Laboratory (India) is located in

Mumbai
Bangaluru
Hyderabad
Pune

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MORE MCQ ON Chemistry

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