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Chemistry

Chemistry
Charcoal is used in water treatment as a/an

Adsorbent
Absorbent
Solvent
Coagulant

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Chemistry
The filter over which sewage is sprinkled is called as

Percolating filter
Contact bed
Trickling filter
Intermittent sand filter

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Chemistry
Zinc sulphide is commonly used as

Herbicide
Deodorant
Rodenticide
Fungicide

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Chemistry
Isobars are lines joining places having equal

Rainfall
Population
Height above sea-level
Pressure

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Chemistry
Cement containing excess amount of lime

Becomes more strong
Cracks during setting
Is slow setting
Is quick setting

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Chemistry
German silver used for making utensils is an alloy of

Copper, nickel, aluminium
Copper, zinc, aluminium
Copper, silver, nickel
Copper, zinc, nickel

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