Chemistry MCQS

Chemistry Mcqs for Test Preparation from Basic to Advance. Chemistry Mcqs are from the different sections of Chemistry Subject. Here you will find Mcqs of Chemistry from Basic to Advance. Which will help you to get higher marks in Chemistry portion of test. These Mcqs are useful for students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test,BPSC Test, PTS ,OTS,GTS,JTS,CTS.

When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?

A. 1
B. 2
C. 3
D. 4

Which statement is consistent with Hunds rule ?

A. Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin.
B. The electrons in the same atom cannot have the same four quantum numbers
C. There is maximum of two electrons is an orbital.
D. None

Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?

A. 1s2 2s2 2p6 3s2 3p6 3d7
B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5
C. 1s2 2s2 2p6 3s2 3p5 3d10
D. 1s2 2s2 2p6 3s2 3p6 4s23d5

Which of the following is mineral fiber ?

A. Teflon
B. asbestos
C. saran
D. acrylic

The hardest of the following solids is__________________?

A. sodium
B. diamond
C. graphite
D. magnesium

Which of the solid does not contain covalent bond__________________?

A. copper
B. ice
C. diamond
D. graphite

The balanced chemical equation for the reaction which occurs when Be is added to water is____________?

A. Be+2H2O?Be (OH)2+H2
B. Be+H2O?Be (OH)2+H2
C. Be+H2O?[Be (OH)4]+2+H2
D. no reaction

Which of the following theories is superior to others__________________?

D. none of the above

Which of the following is not characteristics of reversible reaction__________________?

A. whole amount of reactant does not change into product
B. chemical equilibrium is established
C. a catalyst changes the direction of reaction
D. rate of forward reaction decreases as reaction proceeds

A solution has pH = 0 its H+ ion concentration is__________________?

A. 1 x 10-1
B. 1 x 10-14
C. 1 x 10-7
D. 1

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