Gas

Q.

Gasses are rigid in nature.

1. True
2. False

Q. Gases can take up all the space in the container.

1. True
2. False

Q.

We need ____ air to breathe.

1. fluid

2. solid

3. liquid

4. gaseous

Q.

Write any three physical properties of oxygen.

Q. Which of the following take the shape of container ?

Note: Question may have more than one answer.

1. Water
2. Oxygen
3. Wood
4. Stone

Q. Solids are generally. They have a definite shape and.

1. hard
2. soft
3. volume
4. flowy

Q. Gases have ________.

1. definite shape

2. definite size

3. indefinite shape

4. definite volume

Q. Which of the following material exists in gaseous form ?

1. Wood
2. Oxygen
3. Paper
4. Glass

Q. Which of the following are gases?

Note: Question can have more than one answer.

1. Paper
2. Wood
3. Oxygen
4. Carbon dioxide

Q. During respiration we utilize the gas
(a) carbon dioxide
(b) nitrogen
(c) oxygen
(d) all of these

Q.

Carbon dioxide is a part of our atmosphere.

1. True

2. False

Q.

Fire is a ___ of gases.

Q. State whether these statements are true or false.
(a) An object can be made of a single material only.
(b) Salt and sugar do not have a definite shape as they are not solids.
(c) The liquid metal mercury, which is used in thermometers, has a definite shape but no definite volume.
(d) Shampoo and water are miscible liquids.
(e) A coin, aluminium foil and a pen are inflammable.

Q.

Which state of matter expands and fills up space it exists in?

1. Solid

2. Liquid

3. Gas

4. Water