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Chemistry

Chemistry
Brass is a solution of molten copper in

Gaseous zinc
Molten tin
Molten zinc
Solid zinc

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Chemistry
Liquid Nitrogen boils at

77 kelvin
97 Kelvin
54 kelvin
82 Kelvin

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Chemistry
Charcoal is used in water treatment as a/an

Coagulant
Solvent
Absorbent
Adsorbent

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Chemistry
________ is a by product of sewage treatment and can be decomposed to produce biogas

Sewer
Sludge
Scum
Sewage

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Chemistry
Philosopher’s Wool is

Zinc sulphate
Zinc blende
Zinc carbonate
Zinc oxide

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Chemistry
The filter over which sewage is sprinkled is called as

Percolating filter
Trickling filter
Contact bed
Intermittent sand filter

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MORE MCQ ON Chemistry

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