Question # 1

Such reaction which can be made proceed in either direction depending upon the condition:

Choose an answer

simple reaction

reversible reaction

irreversible reaction

chain reaction

Which of one of the following is used as as fumigant:

Choose an answer

Ethyl alcohol

ethylene oxide

ethylene glycol

diethyl ether

Temporary hardness can be removed by__________.

Choose an answer

Quick lime

Slaked lime

Lime stone

HCl

Which one of the following is gas at room temperature:

Choose an answer

C2H6

C6H14

C6H6

C8H18

Benzene is formed by the polymerization of.

Choose an answer

Alkene

Alkane

Acetylene

Methane.

Crude oil is heated to the fractionating furnace upto.

Choose an answer

300 ^oC

350^oC

400^oC

450^oC

Which acid is present in our stomach.

Choose an answer

Nitric acid

Hydrochloric acid

Sulphuric acid

All of these

Monosaccharides consist of:

Choose an answer

2 to 6 carbon atoms

3 to 9 carbon atoms

4 to 10 carbon atoms

10 to 15 carbon atoms

The pH of water containing CO₂ is

Choose an answer

4-6

5.6-6

6-7

7-8

Volatility of hydrocarbons deceases with:

Choose an answer

decrease of molecular mass

increase of molecular mass

increase of double or triple bonds

decrease of triple bonds

In which one of the following is a substitution reaction?

Choose an answer

Halogenations of alkynes

Halogenations of alkenes

Halogenations of alkanes

Bromination of alkenes

Which one is Lewis Acid?

Choose an answer

BF₃

AICI₃

FeCl₃

All of these

The process of roasting during metallurgy of copper is carried out in a special furnace called.

Choose an answer

Blast furnace

Fire furnace

Bessemer converter

Reverberatory furnace

More Classes

Other Links

Chemistry 10th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer