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Chemistry

Chemistry
What is used in storage batteries?

Zinc
Tin
Lead
Copper

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Chemistry
Aluminium can be purified by

Distillation
Oxidation
Electrolysis
Ozonolysis

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Chemistry
In organic compounds, nitrogen is estimated by

Dumas method
Liebig's method
Victor-Meyer's method
Carius method

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Chemistry
The iron ore which contains 72% of iron is :

Magnetite
Limonite
Haematite
Siderite

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Chemistry
Which one of the following is commonly used for pulp bleaching in the paper industry?

Iodine and water
Hydrogen peroxide
Mild sulphuric acid
Glucose isomerase

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Chemistry
The octane number of zero is assigned to

2-methyl octane
n-heptane
3-methyl octane
iso-octane

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MORE MCQ ON Chemistry

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