Homogeneous Mixture

Q.

Which of the following is homogeneous in nature?

1. Wood

2. Air

3. Ice

4. Soil

Q.

Name the mixture in which the composition is uniform and every part of the mixture has the same properties.

1. Heterogeneous mixture

2. Colloidal solutions

3. Pure mixture

4. Homogeneous mixture

Q.

Which of the following is true in the case of ice cream?

1. It is a homogeneous mixture

2. It is a compound

3. It is a heterogeneous mixture

4. It is a pure substance

Q.

A solution is a homogeneous mixture of two or more substances. Which of the following solutions are possible?

1. Solid in liquid solution

2. Gas in liquid solution

3. Solid in solid solution

4. Gas in gas solution

Q.

What is the full definition of heterogeneous and homogeneous mixture

Q.

Is Syrup a Colloid?

Q.

A jeweller has two different samples of White gold(a jewellery which contains two elements, gold and palladium) that are both identical in appearance and have a uniform composition throughout. What can be said about the samples?

1. They are homogeneous mixtures and also metallic alloys.

2. The materials are heterogeneous mixtures and can be classified by their components.

3. The samples have variable compositions and are classified as metallic solutions.

4. The samples are heterogeneous mixtures that can be separated using magnetic properties.

Q.

List the points of differences between homogenous and heterogeneous mixtures?

Q.

Suggest a suitable method of separation for the following

(a) Mercury and water

(b) Ethyl alcohol and water

(c) Coloured dyes from blue ink

Q.

What are the constituent particles of ink?

1. Dye and water

2. Colour and oil

3. Dye and oil

4. Water and oil

Q. Blood is a homogeneous or heterogeneous mixture? also water [not pure water] is suspension; or homogeneous or heterogeneous mixture?

Q.

The kind of paint can be easily cleaned with soap and water?

Q. You have one glass of water and some sugar and sand. How will you create a homogenous mixture

Q.

Wetting arhar/ tuhar dal with water makes the latter yellow because of

1. yellow powder of dal

2. yellow pigment from dal

3. adulterant metanil

4. Kesari dal

Q.

Classify the following into homogeneous and heterogeneous matter:

Sugar

Q.

Match the columns.

Column 1	Column 2
Stones and sand	Liquid - gas (heterogenous) mixture
Salt in water	Liquid - liquid (heterogeneous) mixture
Water in flour	Solid - liquid (homogeneous) mixture
Vinegar in water	Gas - liquid (homogeneous) mixture
Fog	Solid - solid (heterogeneous) mixture
Aerated drink	Liquid - solid (heterogeneous) mixture

Q.

Blood is a __________ mixture.

Q.

……. is an example of a heterogeneous mixture.

1. Soap solution

2. Sugar solution

3. Salt solution

4. Sand in water

Q.

Define solutions. Give any two examples.

Q. Assertion :The sea-water can be classified as a homogeneous as well as heterogeneous mixture. Reason: The sea-water contains the mixture of salt and some other bigger size of impurities as well as the mixture of several gases.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Differentiate between True solution and colloid.

Q.

Define Unsaturated solution.

Q.

Every part of the homogenous mixture has the same property

1. True
2. False

Q. Which of the following changes are irreversible in nature?

1. Setting of cement
2. Melting of candle wax
3. Dissolution of sugar in water
4. Woolen yarn to knitted sweater