Question

important questions from chapter 1 of chemistry(class 9)​

Answer 1

Answer:

Chemistry chapter1 of standard 9th is "matter in our surroundings."

Explanation:

Important questions for this chapter are:

• Define matter
• State different states of matter with example
• What is diffusion
• What happens to the rate of diffusion if the temperature is increased
• Define melting point
• Define boiling point
• Define latent heat of vaporization
• Define sublimation
• What is dry ice
• What is humidity
• Give two properties of solid
• Name any three substances that show sublimation.

This are few important question.

Answer 2

Matter is anything that have mass and occupies space is called mayter