10th Chemistry Chapter 3 Exercise Quiz

10th Class Chemistry Chapter 3: Organic Chemistry Exercise Quiz Online

The chapter “Organic Chemistry” discusses the chemistry of carbon compounds, including hydrocarbons, their reactions, and applications. Here is a set of MCQs to test your knowledge. Visit Topper.pk for more quizzes and detailed explanations.

Solved MCQs for Chapter 3: Organic Chemistry

MCQ Quiz

The ability of carbon atoms to form chains is called:

a
Isomerism
b
Catenation
c
Resonance
d
Condensation

Coal having 90% carbon content is called:

a
Peat
b
Lignite
c
Anthracite
d
Bituminous

Main component of natural gas is:

a
Methane
b
Propane
c
Butane
d
Propene

The strong heating of coal in retorts in the absence of air is called:

a
Fractional Distillation
b
Sublimation
c
Roasting
d
Destructive Distillation

Pitch is the black residue of:

a
Coke
b
Coal Tar
c
Coal
d
Coal Gas

Natural gas, which is 85% methane, is used to make:

a
Carbon Black
b
Coke
c
Coal Tar
d
Coal Gas

Which one of the following does not contain starch:

a
Sugar Cane
b
Maize
c
Barley
d
Potatoes

Petroleum is refined by:

a
Destructive Distillation
b
Fractional Distillation
c
Simple Distillation
d
Dry Distillation

In the laboratory, urea was prepared by:

a
Wohler
b
Rutherford
c
Berzelius
d
Dalton

Conversion of dead plants into coal by the action of bacteria and heat is called:

a
Carbonization
b
Catenation
c
Hydrogenation
d
Cracking

Which one of the following compounds is an aldehyde?

a
CH3−CH2−OH
b
CH3−COOH
c
CH3CHO
d
CH3COCH3

Formula of acetaldehyde is:

a
CH3−CH2OH
b
CH3−COOH
c
CH3CHO
d
HCHO

General formula of alkyl radical is:

a
CnH2n+2
b
CnH2n−2
c
CnH2n+1
d
CnH2n

Identify which one of the following compounds is a ketone:

a
(CH3)2CHOH
b
(CH3)2CO
c
(CH3)2NH
d
(CH3)2CHCl

The functional group –COOH is found in:

a
Carboxylic Acids
b
Aldehydes
c
Alcohols
d
Esters

Which one of the following statements is not true about fossil fuels?

a
They all contain carbon
b
They are renewable
c
They produce pollutants when burnt
d
They cause acid rain

Which one of the following is the hardest coal?

a
Peat
b
Lignite
c
Bituminous
d
Anthracite

In which of the following groups, oxygen is attached on both sides of carbon atoms?

a
Ketone
b
Ether
c
Aldehyde
d
Ester

Carbonization process is the conversion of:

a
Coal into coal gas
b
Coal into wood
c
Wood into coal
d
Wood into coal tar

Coal gas is a mixture of:

a
CO and CH4
b
CO, CH4, and CO2
c
CO, CH4, and H2
d
CO, H2, and CO2

Which one of the following is a synthetic fiber?

a
Cotton
b
Wool
c
Nylon
d
Silk

Which one of the following is not a fossil fuel?

a
Coal
b
Natural Gas
c
Biogas
d
Petroleum

Which one of the following does not contain protein?

a
Pulses
b
Beans
c
Potatoes
d
Eggs