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Chemistry

Chemistry
Which among the following is liquid non-metal ?

Alcohol
Mercury
Water
Bromine

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Chemistry
Cloud is a colloidal dispersion of

Water drops in a dispersion medium of air
Air in a dispersion medium of water
Mist in a dispersion medium of air
Fog in a dispersion medium of water

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Chemistry
In galvanization, iron is coated with

Tin
Copper
Zinc
Nickel

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Chemistry
Nylon threads are made of

Polyester polymer
Polyvinyl polymer
Polysaccharide
Polyamide polymer

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Chemistry
Zone refining is used for the purification of

Cu
Ag
Ge
Au

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Silicosis
Pneumoconiosis
Cancer
Asthma

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MORE MCQ ON Chemistry

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