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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Sanitary waste
Sullage
Garbage
Industrial waste

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Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Chromium
Lead
Copper
Cadmium

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Chemistry
The coordination number of body centered atom in cubic structure is

10
6
8
4

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Chemistry
Slag is a name given for

Molten alumina
Molten iron
Molten sand
Molten calcium silicate

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Chemistry
Detergents clean surfaces on the principle of

Surface tension
Elasticity
Viscosity
Floatation

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

Sodium Chloride
Dry ice or frozen carbon dioxide
All listed here
Silver Iodide

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MORE MCQ ON Chemistry

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