Question

a)which of the following things has a fixed shape and volume.
options.
1) plastic bottle
2)CD
3)paper
4)All of these

b)Which of the following substance is insoutable in water.
options.
1)Chalk
2)sugar
3)salt
4)none of these ​

Answer 1

Answer:

4. All of these

1. Chalk

Answer 2

Option 4 is the correct answer i.e., All of these.

• Plastic bottles, CDs, and Paper all of them have fixed shapes and volumes.
• Option 1 is the correct answer i.e., Chalk.
• Chalk is insoluble in water.
• Anything that won't dissolve in a solvent is said to be insoluble.
• Rarely does a solute not dissolve at all. Yet, many compounds are not very soluble.
• Examples include sand, lipids, wood, metals, and plastic. When we attempt to blend them with water, they will not dissolve.
• The particles are kept in place by powerful forces and are quite near to one another. Although they are immobile, their particles do oscillate. A solid has a definite shape because the particles are immobile.
• The condition of matter known as a solid has a distinct shape and volume.
• The characteristic of liquid and solid is fixed volume. This demonstrates that with constant pressure and temperature, the volume of both solids and liquids remains constant.

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