Class 9 Chemistry MCQ Chapter 6

Which one of the following is liquid in solid solution?

sugar in water

butter

opal

fog

The practical unit of concentration is

%v/v

%v/m

%m/m

M

When a saturated solution is diluted it tuns into:

supersaturated solution

saturated solution

a concentrated solution

unsaturated solution

The unit of Molarity is :

Molar

Volume

Both

Nil

Which has biger particles?

Solutions

Colloids

Suspensions

True solutions

10 gram sugar is dissolved in 90 gram of water to make a 100 gram solution.This solution is

10% m/m

10% m/v

10% v/m

10% v/v

Which pair of compounds is soluble?

Ether and water

KCI and water

Benzene and water

Petrol and water

Dissolution in water is due to ____________ bonding.

Ionic

Covalent

Hydrogen

Nil

____________ used to remove nail polish.

Acetyline

Acetone

H2O

Nil

A heterogeneous mixture of different substance are called:

Solution

Suspension

Colloids

Nil