Heterogeneous Mixture

Q.

What kind of mixture is Glucose?

Q. Components of a suspension can be separated using a filter paper.

1. True
2. False

Q.

Suspension is a heterogeneous mixture.

1. True

2. False

Q. Suspensions are homogeneous mixtures.

1. True
2. False

Q.

Tap water is a mixture

1. True
2. False

Q.

A suspension is a heterogeneous mixture.

1. False

2. True

Q. The particles in a suspension are visible to naked eye.

1. True
2. False

Q. Is chalk a suspension

Q.

Match the entries in Column - I with those in Column - II

$\begin{array}{cccc}& \text{Column - I}& & \text{Column - II}\\ a.& \text{A chalk water}& 1& \text{A gaseous}\\ & \text{mixture}& & \text{mixture}\\ b.& \text{A glucose}& 2& \text{A heterogeneous}\\ & \text{solution}& & \text{solid-liquid mixture}\\ c.& \text{Carbonated}& 3& \text{A homogeneous}\\ & \text{water}& & \text{solid-liquid mixture}\\ d.& \text{Air}& 4.& \text{A gas-liquid mixture}\end{array}$

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

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

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

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

Q. Pizza is a of dough, sauce, cheese, and other toppings.

1. heterogeneous mixture
2. homogeneous mixture
3. pure substance

Q.

In the figures given , identify the one(s) representing a heterogeneous mixture?

1. c

2. a

3. Both a and b

4. Both b and c

Q. Which of the following particles do not remain suspended when dissolved in water?

1. Flour
2. Chalk powder
3. Sand
4. Sugar

Q.

Match the entries in Column - I with those in Column - II
$\begin{array}{cccc}& \text{Column - I}& & \text{Column - II}\\ \text{a.}& \text{A chalk water}& \text{1.}& \text{A gaseous}\\ & \text{mixture}& & \text{mixture}\\ \text{b.}& \text{A glucose}& \text{2.}& \text{A heterogeneous}\\ & \text{solution}& & \text{solid-liquid mixture}\\ \text{c.}& \text{Carbonated}& \text{3.}& \text{A homogeneous}\\ & \text{water}& & \text{solid-liquid mixture}\\ \text{d.}& \text{Air}& \text{4.}& \text{A gas-liquid mixture}\end{array}$

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

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

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

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

Q.

Fill in the blanks:

A colloid is a _____ mixture and its components can be separated by the technique known as _____.

Q.

State one property in which a solution of sugar in water resembles a mixture of sugar and sand and one property in which it differs from it.

Q.

What are the properties of suspension? [3 MARKS]

Q.

Match the entries in Column - I with those in Column - II
$\begin{array}{cccc}& Column-I& Column-II& \\ a.& Achalkwater& 1& Agaseous\\ & mixture& & mixture\\ b.& Aglucose& 2& Aheterogeneous\\ & solution& & solid-liquidmixture\\ c.& Carbonated& 3& Ahomogeneous\\ & water& & solid-liquidmixture\\ d.& Air& 4.& Agas-liquidmixture\end{array}$

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

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

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

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

Q. Is chalk a suspension

Q.

What are suspensions?

1. A mixture made up of different parts that are relatively easy to detect

2. A mixture that has easily identifiable parts.

3. A mixture in which the parts settle out after being mixed.

4. None of the choices.

Q. What happens to the taste of the salt crystals if salt is mixed with sand?

1. Turns spicy
2. Turns sweet
3. Doesn't change
4. Turns sour

Q.

Name the mixture in which the components can be identified at a glance of the mixture.

1. Homogeneous mixture

2. Heterogeneous mixture

3. Pure mixture

4. Colloidal solutions

Q.

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

1. It is a heterogeneous mixture

2. It is a homogeneous mixture

3. It is a pure substance

4. It is a compound

Q.

Cookies and ice cream would be classified as

1. Heterogeneous mixture

2. Homogeneous mixture

3. Element

4. Compound

Q.

A colloid is a __ (heterogeneous/homogeneous) mixture and its components can be separated by the technique known as centrifugation.

Q. Heterogeneous mixtures can be separated by handpicking, filtration and sieving.

1. True
2. False

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. Elements
4. Compound

Q.

As the temperature of a mixture increases, when one part of the mixture melts, the other part _________.

1. will always melt

2. will never melt

3. may not melt

4. none of these

Q. Classify the following substance into elements, compounds and mixtures:

• Air