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Chemistry

Chemistry
Brine refers to :

Starch water
Pure water
Salt water
Sweet water

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Chemistry
The hottest part of the gas flame is known as

blue zone
luminous zone
dark zone
non-luminous zone

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Chemistry
The elements with atomic numbers 9, 17, 35, 53, 85 are all

Noble gases
Heavy metals
Light metals
Halogens

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Chemistry
Aluminium can be purified by

Electrolysis
Ozonolysis
Distillation
Oxidation

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Chemistry
The wire of flash bulb is made of:

Magnesium
Copper
Barium
Silver

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Chemistry
________ gives hardness to stainless steel.

Zinc
Tin
Carbon
Lead

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