PPSC Chemistry Part V Environmental Chemistry Online Test

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  • Chapter NameBasic Concepts

PPSC Chemistry Part V Environmental Chemistry Online Test

  • Total Questions20

  • Time Allowed20

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PPSC Chemistry Part V Environmental Chemistry Online Test

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Question # 1

Which of the following statement is no true with respect to nitrogen dioxide.

Question # 2

Human hearing is sensitive to frequency in the range of about

Question # 3

Which of the following statement is not true with respect to the role of matter undergoing decomposition.

Question # 4

Which of the following pollutants does not a leave a residue.

Question # 5

Which of the following process is used for the removal of particulates.

Question # 6

The unit of sound pressure level is

Question # 7

Temporary hardness of water is due to.

Question # 8

Permanent hard water is softened by addition of.

Question # 9

Which of the following chemical strong oxidizing agent is used in COD test.

Question # 10

A man has to think of alternate sources of energy due to

Question # 11

The splitting of H2O can be carried out through

Question # 12

Which of the following statement is not related with the effect of thermal pollution.

Question # 13

Ozone layer of stratosphere requires protection from indiscriminate use of.

Question # 14

Which of the following play significant role in depletion of ozone layer.

Question # 15

Which of the following statement is not correct with respect to radioactive pollutnats.

Question # 16

Which of the following gas form weakly acidic sulphurous acid

Question # 17

Which of the following source of energy is abundant everlasting and non polluting.

Question # 18

Domestic waste mostly constitutes

Question # 19

Which of the following health effect is caused by mercury.

Question # 20

Which of the following trace elements may be present in the particulate materials.

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