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Chemistry

Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

Cl2
H2
SO2
O2

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Chemistry
Cyanide poisoning causes death in seconds because

It causes Lysis of red blood cells
It breaks the electron transport chain
It denatures enzymes of the heart/muscle
It causes cardiac arrest

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Chemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

10 gram of molecule
5 gram of molecule
1 gram of molecule
0.5 gram of molecule

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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
Copper at anode and oxygen at cathode.
Hydrogen at cathode and oxygen at anode
Copper at cathode and oxygen at anode

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Chemistry
Heavy metal pollution of water is caused by:

Domestic sewage
Paints
Acid Plants
Wood burning

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Chemistry
Which of the following is not soluble in water ?

Zinc sulphate
Potassium sulphate
Sodium sulphate
Lead Sulphate

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MORE MCQ ON Chemistry

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