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Chemistry

Chemistry
Which of the following metals causes Itai-Itai disease ?

Cadmium
Chromium
Copper
Cobalt

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Chemistry
Iron is prevented from rusting by coating with zinc. This process is called as

Galvanisation
Sublimation
Reduction
Corrosion

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Chemistry
Aluminium salt commonly used to stop bleeding is

Aluminium Chloride
Aluminium nitrate
Aluminium sulphate
Potash alum

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Chemistry
The mass of one Avogadro number of helium atom is

8.00 gram
1.00 gram
4 x 6.02 x 1023 gram
4.00 gram

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Chemistry
Stains of rust on clothes can be removed by :

Petrol
H2O2
Oxalic acid
Alcohol

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Chemistry
Photo-oxidation process is initiated by

Heat
Light
Catalyst
Oxygen

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MORE MCQ ON Chemistry

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