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Chemistry

Chemistry
The oil used in the froth floatation process is

olive oil
coconut oil
kerosene oil
pine oil

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Chemistry
The wire of flash bulb is made of:

Silver
Barium
Magnesium
Copper

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Ethyl alcohol and H2O
Methyl alcohol and H2O
Ethyl alcohol
Methyl alcohol

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Chemistry
The advantage of detergents over soaps is

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

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Chemistry
The pH of human blood is between :

44052
6.5-7
4.5-5
7.5-8

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Chemistry
Sodium bicarbonate is commercially known as

Caustic soda
Soda lime
Washing soda
Baking soda

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MORE MCQ ON Chemistry

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