Question

what is answer the followings in one Sentences or two only.
1) What is matter made up of ?
2) meant by change of state?Give example. 3) Explain chemical change with an example.
4) Define Sublimation.
5) What are molecules?
6) Why are the symbols used to represent elements ? ​

Answer 1

Answer:

matter is mafe up of particles inside atmospherr

Answer 2

Answer:

1)What is matter made up of ?

Ans :- Matter is anything which occupies space and has mass is called matter.

2) What is meant by change of state?Give example.

Ans :- The physical process where matter moves from one state to another. Examples of such changes are melting, evaporation, boiling etc.

3) Explain chemical change with an example.

Ans :- A chemical change occurs when a new substance is formed through a chemical reaction like, for example, when fruit ripens or rots.

4) Define Sublimation.

Ans :- Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

5) What are molecules?

Ans :- Molecules is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

6) Why are the symbols used to represent elements ?

Ans :- The symbols used to represent elements to make representation easier and faster as it is a standardised short hand method.