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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.

Reaction in which heat evolves is called ____________________?

A endothermic

B spontaneous

C non-spontaneous

D exothermic

Review Detailed Answer

Correct Answer: exothermic

Anything which depends upon initial and final state of a system is_______________?

A environment

B surrounding

C state function

D enthalpy

Review Detailed Answer

Correct Answer: state function

The environment in which a system is studied is __________________?

A State function

B phase

C surrounding

D state

Review Detailed Answer

Correct Answer: surrounding

A reaction has values of ?H and ?S which are both positive. The reaction __________________?

A Is spontaneous

B Spontaneity is temperature dependent

C Has an increasing free energy

D Is non-spontaneous

Review Detailed Answer

Correct Answer: Is non-spontaneous

If internal energy of the system is increased ____________________?

A Change in state of the system is increased

B Temperature of the ystem may rise

C Chemical reaction may take place

D All

Review Detailed Answer

Correct Answer: All

Which one is not state function ________________?

A Internal energy

B Enthalpy

C Gibbs free energy

D Work

Review Detailed Answer

Correct Answer: Work

Which is not heterocyclic compound _______________?

A Furan

B Thiophene

C Aniline

D Pyridine

Review Detailed Answer

Correct Answer: Aniline

the fractional distillation of petroleum produces gasoline up to ________________?

A 10%

B 15%

C 20%

D 30%

Review Detailed Answer

Correct Answer: 20%

In cyano group the carbon atom shows which kind of hybridization___________________?

A sp2

B sp

C sp3

D none of the above

Review Detailed Answer

Correct Answer: sp

In sp3 hybridization the expected geometry of molecules will be__________________?

A square planar

B trigonal pyramidal

C tetrahedral

D linear

Review Detailed Answer

Correct Answer: tetrahedral

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

Reaction in which heat evolves is called ____________________?

Anything which depends upon initial and final state of a system is_______________?

The environment in which a system is studied is __________________?

A reaction has values of ?H and ?S which are both positive. The reaction __________________?

If internal energy of the system is increased ____________________?

Which one is not state function ________________?

Which is not heterocyclic compound _______________?

the fractional distillation of petroleum produces gasoline up to ________________?

In cyano group the carbon atom shows which kind of hybridization___________________?

In sp3 hybridization the expected geometry of molecules will be__________________?