Question

CHANGES AROUND US
1. What are reversible changes? Give 3 examples.
2. What are irreversible changes? Give 3 examples.
3. How can we fix the iron blade of tools to the wooden handle? Explain.
4. How can we fix the metal rim on a wooden wheel of a cart?
5. What are the changes that occur in an incense stick, when it is burnt?
6. How can we bring about a change in a substance?​

Answer 1

Explanation:

.Reversible changes are changed where a matter can return back to its original state

example.- !water to ice ice to water

2.irreversible changes are changes where matter cannot return to its original state

example: paper to washes

Answer 2

Answer:

I know only two answer 1st and 2nd

1. A change that can be easily changed back to its original form is called reversible change. example- Water vapour changes into water vapour on heating but it can be changed back into liquid water by cooling.
2. A change which cannot be reversed called an irreversible change. example-burning of paper .
3. I don't know
4. I don't know
5. I don't know
6. I don't know

Explanation:

sorry i know only upper 2 answers please mark me brainliest