MCQ'S PHYSICS CARBON AND IT'S COMPOUNDS CLASS 10

Carbon and it's compounds

Ethanoic acid is also known as which of these?

(a) Citric acid

(b) Nitric acid

(c) Acetic acid

(d) Formic acid

Ethanol is also known as which of these?

(a) Formic acid

(b) Ethyl alcohol

(c) Ethane

(d) Acetaldehyde

How many double bonds are there in a saturated hydrocarbon?

(a) One

(b) Two

(c) Three

(d) Zero

 How many electrons are there in the outermost orbit of carbon?

(a) Two

(b) Three

(c) One

(d) Four

Carbon exists in the atmosphere in the form of

(a) carbon monoxide 

(b) carbon monoxide in traces and carbon dioxide

(c) carbon dioxide

(d) coal

Open chain hydrocarbon are also called as? 

(a) catenation

(b) aliphatic hydrocarbon

(c) acyclic hydrocarbons

(d) both B and C

Alkanes alkenes and alkynes are? 

(a) hydrocarbon

(b) catenation

(c) homologous series

(d) Esters

General formula of aldehyde is? 

(a)R_OH

(b) R_CHO

(c) -COOR

(d) C_OH

The phenomenon of possessing same molecular formula but different properties by compounds is known as? 

(a) amines

(b), ketone

(c) isomerism

(d) isomers 

The compounds that exhibit isomerism are called? 

(a) isomerism

(b) isomers

(c) structural isomerism

(d) iso

ketone prefix & suffix?

(a) ket & one

(b) oxy & alkoxy

(c) oxo & one

(d) halo & halide

Pentane density in alkanes?

(a) 0.50

(b) 0.58

(c) 0.55

(d) 0.63

The hydrocarbons that contain -OH group are called?

(a) aldehydes

(b) alcohols

(c) amines

(d) Esters

Alcohols can be produced by the hydration of?

(a) alkynes

(b) Esters

(c) alkenes

(d) Ethers