Homogeneous Mixture

Q.

Define homogeneous mixture:

Q.

Is Air a mixture, compound, or element?

Q.

What is a homogeneous medium?

Q.

What name is given to the solution which contains more solute than that required to prepare saturated solution at that temperature?

Q.

A homogeneous mixture is a type of mixture where the components do not dissolve in each other and can be seen with naked eye.

1. True

2. False

Q.

What is the purity of pure gold in carat?

Q. Choose the substances which are soluble in water.

1. Salt
2. Sugar
3. Kerosene
4. Sand

Q.

Soil is a _______________ mixture, while ice cream is a _____________ mixture. (homogeneous/heterogeneous).

Q.

Air shows the property of :

1. ${\mathrm{N}}_2$

2. ${\mathrm{O}}_2$

3. Both

4. None of these

Q. A solution is a heterogeneous mixture in which solid particles settle down when left undisturbed.

1. True
2. False

Q. is a homogeneous mixture.

1. Cookie
2. Iron
3. Brass
4. Pizza

Q.

Define Dilute solution

Q.

Which of the following are homogeneous in nature?
(i) ice (ii) wood (iii) soil (iv) air

1. (i) and (iii)

2. (ii) and (iv)

3. (i) and (iv)

4. (iii) and (iv)

Q. What type of a substance is steel?

1. A solid-liquid homogeneous mixture

2. A solid-solid homogeneous mixture

3. A solid-liquid heterogeneous mixture

4. A pure substance

Q. A mixture of ______ and ______ is known as water gas.

1. carbon monoxide, hydrogen
2. Carbon dioxide, hydrogen
3. Carbon dioxide, nitrogen
4. Carbon monoxide, nitrogen

Q. Which of the following is an example of a mixture?

1. Sugar
2. Brass
3. Ice
4. Steam

Q.

List the points of difference between homogeneous and heterogeneous substances.

Q. Which of the following is required for combustion?

1. 
   Nitrogen
2. 
   Oxygen
3. 
   Sulphur
4. 
   Water vapour

Q. A mixture of ______ and ______ is known as water gas.

1. carbon monoxide, hydrogen
2. Carbon dioxide, hydrogen
3. Carbon dioxide, nitrogen
4. Carbon monoxide, nitrogen

Q.

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

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

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

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

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

Q. Choose the correct pairs of substance and the type of combusion they undergo.

1. Spontaneous
2. Crackers
3. Rapid
4. Phosphorus
5. Explosion
6. Matchstick

Q.

Give an example each for solid-liquid and solid-solid types of a homogeneous mixture.

Q.

10. Air is a

1. pure substance.

2. a heterogeneous mixture

3. a homogeneous mixture.

4. none of the above.

Q.

In a solution solute is a component having ___________.

Q.

Which of the following is homogeneous in nature?

1. Ice

2. Soil

3. Wood

4. Air

Q. Pick out a homogeneous mixture from the following options.

1. Sugar and oil
2. Sugar and salt
3. Glucose in water
4. Soap solution

Q.

Define mixtures. Mention the different types of mixtures.

Q. Air is composed of 78% nitrogen and 21% oxygen. Hence, it is a compound.

1. True
2. False

Q. Which among the following is an example of solid in solid solution?

1. Alloys
2. Sea water
3. Soda pop
4. Gasoline

Q. Which of the following is not a homogeneous material?

1. Alloys
2. Ceramics
3. Metals
4. None of above