Solutions

Q.

Choose the correct option(s) regarding miscible and immiscible liquids.

1. Miscible liquids are liquids that dissolve in each other.

2. Miscible liquids are liquids that do not dissolve in each other.

3. Immiscible liquids are liquids that dissolve in each other.

4. Immiscible liquids are liquids that do not dissolve in each other.

Q.

What is meant by solute and solvent? Explain with example. [3 MARKS]

Q.

Alloy is an example of which type of solution?

1. Solid in Liquid solution
2. Gas in Liquid solution
3. Solid in Solid solution
4. Gas in Gas solution

Q. Stainless steel is an example of a _______.

1. compound
2. heterogeneous mixture
3. colloid
4. homogeneous mixture

Q.

Milk can be called as a solution.

1. True

2. False

Q.

Write the difference between miscible and immiscible liquids with an example.

Q.

Why a solution is a Homogeneous mixture?

Q.

Solution of any substance in water is known as its ______.

Q. Which of the following is true about solutions?

1. A solution is composed of two components i.e. solute and solvent.

2. The component present in minor quantity in a solution is called solute.

3. The component present in major quantity in a solution is called solvent.

4. The component present in minor quantity in a solution is called solvent

Q.

What type of mixture is formed by adding sulphur powder in carbon disulphide?

Q.

Which of the following kind of solution is possible?

1. Solid in Liquid solution

2. Gas in Liquid solution

3. Gas in Gas solution

4. None of these

Q.

Choose the correct example for a true solution.

1. Sand and water

2. Milk

3. Blood

4. Salt solution

Q.

What is a pure substance and a mixture?

Q.

Give example of liquids that are: [3 MARKS]

(i) Completely miscible
(ii) Partially miscible
(iii) Practically immiscible

Q.

Give one example of the following:

Solution of a solid in a solid

Q.

Is the composition of a homogeneous mixture always fixed?

Q.

A homogeneous mixture has a/an ___ composition.

Q.

People use a variety to methods to wash clothes. Usually after adding the soap, they 'beat' the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes ?

Q. Why is potassium permanganate a true solution?

Q.

Define a Homogenous solution.

Q.

Define solvent and give one example.

Q.

Which among the following is not a homogeneous mixture?

1. solder

2. aqueous solution of $\mathrm{NaCl}$

3. sulfur in carbon disulfide

4. sulfur in water

Q.

A ____________ is dissolved in another substance called __________ to form a solution.

1. solvent, solvent

2. solute, solvent

3. colloid, solvent

4. solvent, solute

Q.

The component of a solution cannot be separated by filtration. explain.

Q. Brass and bronze are examples of ________.

1. mixtures
2. elements
3. suspensions
4. compounds

Q. When light is passed through water containing a few drops of milk, it shows a bluish tinge. This is due to the scattering of light by milk. This indicates that milk is :

1. pure
2. colloidal
3. particle
4. none of the above

Q.

State the main components of the following alloys:

Duralumin

Q. Water is called the universal solvent because:

1. it dissolves in mostof the liquids
2. it can dissolve most of the substances
3. it contains many salts and minerals
4. it can exist in three states

Q.

Give one example of the following:

A solution of two gases

Q. Seawater is an example of true solution.

1. True
2. False