Chemistry MCQS with Answers Set 3

Ethyl chloride on treatment with aqueous alkali gives

Ethene

Ethanol

Ethane

Ethanal

The formula of calcium cyanamide is

CaCHNH₂

CaNCN

Ca(CN)₂

CaC₂N

The number of oxygen atoms in 4.4 g of CO₂ is approximately

6 x 10²³

12 x 10²³

1.2 x 10²³

6 x 10²²

The digestion of fats in the intestines is aided by

Diffusion

Protection

Peptization

Emulsification

Crystal can be classified in to basic crystal habits

4

14

7

3

Which of the following has linear shape?

None of the above

SP²

SP

SP³

Which quantum number is sufficient to describe the electron is hydrogen atom?

m

s

n

/

Which of the substances Na, Hg, S Pt and graphic can be used as electrodes in electrolytic cells having aqueous solution?

Na and Hg

Na,Pt and graphite

Pt and graphite only

Na and S only

Wholer prepared ures from

NH₄CNO

NH₃

uric acid

Ammonia

The wire in the flash bulbs is made up of

Cu

Ba

Mg

Ag