Basic Chemistry MCQs

GURU MCQs provides MCQs of Chemistry from Basic to Advance, so that you can prepare accordingly. MCQs of Chemistry section covers important topics of chemistry. Most repeated Chemistry MCQs frequently encountered in Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Chemistry most repeated MCQs include Basic chemistry MCQs, Chemical Bond MCQs, Gases MCQs, Liquids and Solids MCQs, Hydrocarbons MCQs, Polymerization MCQs, Rates of Reactions MCQs, Transition Elements MCQs, Organic Chemistry MCQs, Electrons in Atoms MCQs, Moles and Equations MCQs, etc.

11. the fractional distillation of petroleum produces gasoline up to ________________?

A. 10%
B. 15%
C. 20%
D. 30%

12. Which is not heterocyclic compound _______________?

A. Furan
B. Thiophene
C. Aniline
D. Pyridine

13. Which one is not state function ________________?

A. Internal energy
B. Enthalpy
C. Gibbs free energy
D. Work

14. 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

15. 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

16. The environment in which a system is studied is __________________?

A. State function
B. phase
C. surrounding
D. state

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

A. environment
B. surrounding
C. state function
D. enthalpy

18. Reaction in which heat evolves is called ____________________?

A. endothermic
B. spontaneous
C. non-spontaneous
D. exothermic

19. Pumping of water uphill is_______________?

A. spontaneous process
B. non-spontaneous process
C. irreversible process
D. reversible process

20. Which one of the following is a state function ________________?

A. pressure
B. temperature
C. enthalpy
D. all of the above

Leave a Reply