Heterogeneous Mixtures

Q.

Is milk a homogeneous or heterogeneous mixture?

Q.

What are Homogeneous and Heterogeneous solutions?

Q.

Which of the following is/are NOT a heterogeneous mixture?

1. Lemonade

2. Concrete

3. Sugar and Sand

4. Pizza

Q.

What are mixtures? Give examples.

Q.

Match the entries to the correct type.

Mixture	Type
(a) A chalk water mixture	(1) A gaseous mixture
(b) A glucose solution	(2) A heterogeneous
(c) Carbonated water	(3) A homogeneous solid-liquid mixture
(d) Air	(4) A gas-liquid mixture

1. a - 2, b - 3, c - 4, d - 1

2. a - 2, b - 4, c - 3, d - 1

3. a - 2, b - 4, c - 1, d - 3

4. a - 1, b - 4, c - 2, d - 3

Q. Name the mixture in which the individual components are visible.

1. Homogeneous mixture

2. Colloidal solutions

3. Heterogeneous mixture

4. Pure mixture

Q.

Find the odd one out. Give reason for your choice

1. salt and sand

2. salt and water

3. sand and water

4. chalk and water

Q.

Name the type of mixture that is formed by the grains containing stones.

Q.

Dusty wind is a _________ mixture, whereas clean air is a ______ mixture.

Q. How is homogeneous mixture different from the heterogeneous mixture?

1. The components of a homogeneous mixture are easier to separate than a heterogeneous mixture.
2. Homogeneous looks the same throughout, but with heterogeneous you can see the different parts
3. Heterogeneous looks the same throughout, with homogeneous you can see the different parts
4. They are the same, just different names

Q.

Match the following mixtures to their correct types.
$$\begin{array}{cc}\text{Mixture}& \text{Types}\\ \text{(a) Air}& \text{(1) Homogeneous}\\ \text{(b) Water and mustard oil}& \\ \text{(c) Chocolate chip cookies}& \text{(2) Heterogeneous}\\ \text{(d) Ornamental gold}& \end{array}$$

1. (1): (b) and (c), (2): (a) and (d)

2. (1): (b) and (d), (2): (a) and (c)

3. (1): (a) and (d), (2): (b) and (c)

4. (1): (a) and (b), (2): (d) and (c)

Q.

A mixture is said to be heterogeneous if its constituents are uniformly mixed and it has the same properties throughout.

1. True
2. False

Q.

A mixture of sulphur and carbon disulphide is

1. heterogeneous and shows Tyndall effect

2. homogeneous and shows Tyndall effect

3. heterogeneous and does not show Tyndall effect

4. homogeneous and does not show Tyndall effect

Q.

A heterogenous mixture.

Q.

What are the characteristics of a mixture? Explain with an example of each. [5 MARKS]

Q.

Choco-chip cookies and ice cream would be classified as :

1. Heterogeneous mixture

2. Homogeneous mixture

3. Element

4. Compound

Q.

A suspension and a colloidal solution, both are heterogeneous mixtures. Identify the wrong statement(s) referring to both types of solutions.

1. In both, particles can be seen through the naked eye.

2. In both, particles cannot be seen through the naked eye.

3. Both can scatter light and make its path visible.

4. Both can be separated by filtration.

Q.

Which of the following is a heterogeneous mixture?

1. Milk

2. Steel

3. Ornamental Gold

4. Bronze

Q. In which of the following the individual components present in it can be seen by naked eyes?

1. Homogeneous mixture
2. Heterogeneous mixture
3. Compound
4. Elements

Q.

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

1. It is a heterogeneous mixture

2. It is a pure substance

3. It is a compound

4. It is a homogeneous mixture

Q.

Can you suggest an alternate name for impure substances? What are their type?

Q.

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

1. It is a homogeneous mixture

2. It is a heterogeneous mixture

3. It is a pure substance

4. It is a compound

Q.

Differentiate between

Homogeneous and Heterogeneous mixture.

Q.

Differentiate between a suspension and a colloid.

Q.

Choco-chip cookies and ice cream would be classified as :

1. Heterogeneous mixture

2. Homogeneous mixture

3. Element

4. Compound

Q. Concrete is a ___ of water, sand, cement and other rocks grinded together.

1. homogeneous mixture

2. heterogeneous mixture

3. colloidal mixture

4. compound

Q.

Choco-chip cookies and ice cream would be classified as :

1. Heterogeneous mixture

2. Homogeneous mixture

3. Element

4. Compound

Q. Concrete is a ___ of water, sand, cement and other rocks grinded together.

1. homogeneous mixture

2. heterogeneous mixture

3. colloidal mixture

4. compound

Q. Are sand, salt, and water heterogenous or homogenous mixtures?