Introduction to Solids

Q. To make soda-water, a gas called ____ is dissolved in water under pressure.

1. nitrogen
2. oxygen
3. carbon dioxide
4. Hydrogen

Q.

Solids always have a rigid structure.

1. True

2. False

Q.

27. Name the following:

b. a solid that is insoluble in water

Q. Which of the following items have been wrongly placed?
*More than one option is correct.
$$\begin{array}{ccc}\text{Solids}& \text{Liquids}& \text{Gases}\\ \text{Sugar}& \text{Oil}& \text{Carbon dioxide}\\ \text{Water}& \text{Petrol}& \text{Steam}\\ \text{Iron}& \text{Glycerine}& \text{Milk}\end{array}$$

1. Water
2. Milk
3. Steam
4. Sugar

Q. ______ is an example of a solid.

1. Water
2. Rock
3. Oil
4. Kerosene

Q. Which of the following is NOT an example of solid ?

1. Wood
2. Rock
3. Iron
4. Oil

Q. Which of the following substance is a solid?

1. Water
2. Rock
3. Juice
4. Oxygen

Q. Solids are rigid.

1. False
2. True

Q. Which state of matter is an ice cube?

1. Liquid
2. Solid
3. Plasma
4. Gas

Q. Eraser is an example of a solid.

1. True
2. False

Q. What is the state of the object ​given in the image ?

1. Solid
2. Liquid
3. Gas
4. Fluid