Question

what changes occur during chemical changes.​

Answer 1

Answer:

1.colour may change

2.sound may produced

3.smoke may forms

4.these are buring of mg ribbon

examples of chemical changes

1.changing milk into curd

2.disolving sugar in water

3.buring of magnesium ribbon (mg ribbon)

4.melting of candle

Answer 2

Answer:

Chemical change are changes matter undergoes when it become new or different matter.

Explanation:

1. It burn

2. It changes colour

3. It bubbles ( make a gas)

4. Temperature change without heating /Cooling.