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Chemistry

Chemistry
White phosphorus is always kept under

Kerosene
Ether
Benzene
Water

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Chemistry
Identify the metal which is non toxic in nature.

Cobalt
Cadmium
Gold
Chromium

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Chemistry
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :

Vulcanization
Galvanization
Zinc plating
Alloy formation

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Chemistry
How many atoms of oxygen are in a glucose molecule

10
6
4
3

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Chemistry
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives

Copper at cathode and anodes dissolve to give copper
Hydrogen at cathode and oxygen at anode
Copper at cathode and oxygen at anode
Copper at anode and oxygen at cathode.

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Chemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

geraniol
engenol
cineole
limonene

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