Mixture

Q.

Air is a mixture and water is a compound. Explain.

Q.

Air is an example of

1. element

2. compound

3. mixture

4. all of these

Q.

____ are two or more substances which are physically combined.

1. Compounds

2. Elements

3. Atoms

4. Mixtures

Q. In a sugar solution, sugar is the ____ and water is the _____.

1. part, solute
2. solvent, solute
3. piece, solution
4. solute, solvent

Q.

The constituents of a mixture retain their properties.

1. True
2. False

Q.

When we mix sugar and water it forms a sugar ______.

1. piece

2. solute

3. solvent

4. solution

Q. When salt is dissolved in water, it forms a

1. solvent
2. solute
3. solution

Q.

Fill in the blanks:

Air is a _____ of several gases.

Q. Fruit salad is an example of solid-solid mixture.

1. True
2. False

Q.

Each substance in a mixture is called a ______ of the mixture.

Q. Which of the following can be separated from water by straining with cloth?

1. Lemon juice
2. milk
3. Oil
4. Chalk powder

Q. Hot air is ___ cold air.

1. lighter than
2. heavier than
3. of same density as
4. None of the above

Q. Match the respective components.

1. 
2. Solute
3. Solvent
4. 
5. Solution
6. 

Q. Metal spoon particles are _______

1. loosely packed
2. closely packed
3. large in size
4. light in weight

Q. Difference bW solute and solvent??

Q. Burst the bubbles containing names of items which constitute healthy food.

1. Rice
2. Burger
3. Pizza
4. Soft drink
5. Chapati
6. Dal
7. Fruits
8. Milk

Q.

Fire is a ___ of gases.

Q. An element is composed of _______ of the________kind.

1. atoms, same
2. molecules, different
3. atoms, different
4. molecules, same

Q. The solution in which no more substance can be dissolved is termed as:

1. Unsaturated
2. Saturated
3. Dilute
4. Concentrated

Q. Which of the following can be separated from water by straining with cloth?

1. Lemon juice
2. Chalk powder
3. Oil
4. milk

Q. Which of the following is a mixture?

1. Salt
2. Sugar
3. Iron rod
4. Lemonade

Q. The compound can be separated by chemical reaction whereas elements can be separated by:

1. chemical reaction
2. physical reaction
3. both a and b
4. Elements cannot be separated

Q. which of the following is non aqueous solution:-
(1) salt solution
(2) Sugar
(3) Tincture of iodine

Q.

A solution in which no more solute can be dissolved in the given amount of solvent is called as a/an ______ solution.

1. unsaturated

2. hard

3. weak

4. saturated

Q. Mixture have two or more substances chemically combined.

1. False
2. True