MCQsDrive | MCQsDrive

Chemistry 1488 MCQs [All-Courses]

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

In the purification of portable water the coagulant used is_________________?

A alum

B nickel sulphate

C copper sulphate

D barium sulphate

Review Detailed Answer

Correct Answer: alum

________________ is study about energy of a chemical system ?

A thermochemistry

B thermodynamics

C chemical kinetics

D stoichiometry

Review Detailed Answer

Correct Answer: thermochemistry

Which statement is wrong ?

A the amount of ozone layer is greater in the region close to the equator

B ozone acts as filter for UV radiations

C in the equatorial region it acts as pollutant

D CFCs play effective role in removing O3 in the stratosphere

Review Detailed Answer

Correct Answer: the amount of ozone layer is greater in the region close to the equator

Unit of heat in SI system is________________?

A J

B KCaL

C Cal

D GJ

Review Detailed Answer

Correct Answer: J

Which of the following air pollutants is more dangerous for ozone layer ?

A CFC

B CO2

C CO

D Oxides of nitrogen

Review Detailed Answer

Correct Answer: CFC

Total energy of a system is_________________?

A P.E + K.E

B P.E + heat energy

C K.E + heat energy

D P.E + mechanical energy

Review Detailed Answer

Correct Answer: P.E + K.E

In which of the following layer of atmosphere there is more thickness of ozone layer ?

A troposphere

B stratosphere

C mesosphere

D photosphere

Review Detailed Answer

Correct Answer: stratosphere

CuSO4 + Zn?ZnSO4+Cu is___________________?

A Spontaneous reaction

B Non-spontaneous reaction

C Endothermic

D Exothermic

Review Detailed Answer

Correct Answer: Spontaneous reaction

Which of the following is not a condition for the formation of smog ?

A sufficient NO

B sunlight

C less movement of air

D winds

Review Detailed Answer

Correct Answer: winds

State function the macroscopic property of system depends upon________________?

A path of reaction

B initial state

C final state

D initial and final state

Review Detailed Answer

Correct Answer: final state

Showing 331 to 340 of 1488 results

Contact Info

Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

In the purification of portable water the coagulant used is_________________?

________________ is study about energy of a chemical system ?

Which statement is wrong ?

Unit of heat in SI system is________________?

Which of the following air pollutants is more dangerous for ozone layer ?

Total energy of a system is_________________?

In which of the following layer of atmosphere there is more thickness of ozone layer ?

CuSO4 + Zn?ZnSO4+Cu is___________________?

Which of the following is not a condition for the formation of smog ?

State function the macroscopic property of system depends upon________________?