Sources, Impurities and Hardness of Water Online Exam Quiz

Sources, Impurities and Hardness of Water GK Quiz. Question and Answers related to Sources, Impurities and Hardness of Water. MCQ (Multiple Choice Questions with answers about Sources, Impurities and Hardness of Water

__ of water is struck in underground which is not accessibly.

Options

A : 1%

B : 2%

C : 3%

D : 4%

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___ is the purest form of the water obtained by natural distillation.

Options

A : Under ground water

B : Sea water

C : River water

D : Rain water

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___ water contains more soluble salts than the surface water.

Options

A : Sea water

B : Rain water

C : Underground water

D : Tank water

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All impurities are oxidised into the ___ and ___ in the biological oxidation process.

Options

A : Oxygen and water

B : Carbondioxide and water

C : Nitrogen and water

D : Chlorine an water

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Amino acids comes under ___ impurity.

Options

A : Dissolved impurity

B : Colloidal impurity

C : Dissolved gases

D : Bacterial impurities

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Chemical composition of the lake water is ___

Options

A : Constant

B : Not constant

C : Some times constant

D : Cannot be determined

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Deep well water possess the rotten egg smell due to the dissolved __

Options

A : Sulphide

B : Sulphurous acid

C : Hydrogen sulphide

D : Hydrogen peroxide

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How many types of absorbed impurities in water are there mainly?

Options

A : 2

B : 3

C : 4

D : 5

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In biological oxidation process, depending on the organic load, the oxidation takes place ___

Options

A : 1-4Hours

B : 4-8Hours

C : 8-16Hours

D : 16-20Hours

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In dissolved mineral salts ___ gets converted into the bicarbonates by the action of carbondioxide by water.

Options

A : Carbonate of calcium

B : Carbonates of magnesium

C : Carbonates of calcium and magnesium

D : Neither carbonates of calcium nor magnesium

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