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Chemistry 1488 MCQs [All-Courses]

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What will be the PH of 0.01M ammonium chloride solution containing 10 mol per liter of ammonium chloride (pkb=4.76)?

A 5.24

B 6.24

C 7.24

D 8.24

Review Detailed Answer

Correct Answer: 8.24

Alum is used by dyers of cloth:

A As water purifier

B As mordant

C fire proofing fabrics

D Softening of hard water

Review Detailed Answer

Correct Answer: As mordant

The most useful dye for those fabric which can form hydrogen bonds is:_____________?

A Mordent dye

B Vat dye

C Acid dye

D Direct dye

Review Detailed Answer

Correct Answer: Direct dye

The phosphate present in sewage water which cause eutrophication Can be removed by adding:

A Alum

B Chlorine

C Lime

D permangnate

Review Detailed Answer

Correct Answer: Lime

which of the following pair is not distinguished by passing H2S?

A Hg, Pb

B Zn, Mn

C As, CD

D Cd , Pb

Review Detailed Answer

Correct Answer: Hg, Pb

Ozone is formed in the upper layer of the atmosphere from oxygen by action of:____________?

A Free radicals

B Cosmic rays

C Nitrogen oxides

D UV -rays

Review Detailed Answer

Correct Answer: UV -rays

Surface water contains:_____________?

A only salt

B Organic matter

C Salt & Organic matter

D Suspended impurity

Review Detailed Answer

Correct Answer: Organic matter

Biodegradable pollutant is:_____________?

A DDT

B mercury salt

C Domestic waste

D Aluminum foil

Review Detailed Answer

Correct Answer: Domestic waste

Cyclone collector is used for minimizing:____________-?

A Water pollution

B Sound pollution

C Soil pollution

D Air pollution

Review Detailed Answer

Correct Answer: Air pollution

The medium which interact with long lived pollutant is:_____________?

A Source

B Receptor

C Sink

D All of them

Review Detailed Answer

Correct Answer: Sink

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

What will be the PH of 0.01M ammonium chloride solution containing 10 mol per liter of ammonium chloride (pkb=4.76)?

Alum is used by dyers of cloth:

The most useful dye for those fabric which can form hydrogen bonds is:_____________?

The phosphate present in sewage water which cause eutrophication Can be removed by adding:

which of the following pair is not distinguished by passing H2S?

Ozone is formed in the upper layer of the atmosphere from oxygen by action of:____________?

Surface water contains:_____________?

Biodegradable pollutant is:_____________?

Cyclone collector is used for minimizing:____________-?

The medium which interact with long lived pollutant is:_____________?