Question # 1

While baking which gas is responsible for raising the bread and making it soft?

Choose an answer

Oxygen

Carbon monoxide

Carbon di oxide

Nitrogen

The characteristics of reversible reactions are the following except.

Choose an answer

Product nver recombine to form reactants

They never complete

They have a double arrow between reactants and products

The proceed in both ways

Predict themain characteristics of the reactions of metals with acids.

Choose an answer

Metals are dissolved

Hydrogen gas is envolved

Metals are coverted into salts

All the above mentioned characteristics are true

A complete reaction is in which

Choose an answer

Only 10% reactants covert into products

All the reactants covrt into products

All the reactants do no covrt into products

Half reactants covert into produts

During the formation of ionic bond heat is.

Choose an answer

Remains same

Absorbed

Released

Both a and b

Triple covalent bond involves how many electrons.

Choose an answer

Six

Four

Eight

Three

The part of the universe that we want to focus our attention called.

Choose an answer

Surrounding

Energy

System

Both a and b

The colour of hydrated copper (II) sulphate solid is.

Choose an answer

Black

Pink

White

Blue

17th Group of elements contain electrons in their outer most shell

Choose an answer

4

5

7

6

Octet rule is

Choose an answer

Attainign of eight electrons in its valence shell

Discription of eight electrons

Pictur eof electronic configuration

Pattern of electronic configuration

Which compund has same molecular and emiprical formula.

Choose an answer

C6H12 O6

H2O2

H2O

C6H6

Industrialy, ammonia is produced by which process.

Choose an answer

Halogenation

Solvay process

Haber Process

Hydrogenation

The compund formed by oppoite charges are known as.

Choose an answer

Metallic solids

Ionic compounds

Non-polar Covalent compound

None of the above

More Classes

Other Links

Chemistry 9th 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