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Chemistry

Chemistry
Isobars are lines joining places having equal

Pressure
Population
Height above sea-level
Rainfall

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Chemistry
An acid having basicity one is

Phosphoric acid
Disodium hydrogen phosphate
Sodium phosphate
Sodium dihydrogen phosphate

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Chemistry
Dry powder fire extinguishers contain

Sand and sodium carbonate
Sand and sodium bicarbonate
Sand and potassium carbonate
Sand

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Chemistry
The advantage of detergents over soaps is

Detergents are soluble in water
Detergents could not give much lather
Soaps give lather with only soft water
Detergents give lather even with hard water

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Chemistry
Chloroform can be used as

Antimalarial
Antibiotic
Analgesic
Anaesthetic

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Pb
Pt
Cu
Ni

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