Question

Q-1 Write the two example of following changes?
a. Slow and fast change
b. Reversible and irreversible changes
c Physical and chemical changes
d. Natural and manmade changes​

Answer 1

Two examples are :

a) slow change : blooming of flowers, change of season

fast change: Breaking of glass , tearing of paper

b) reversible change : change of water into vapour, change of ice into water

irreversible change: cutting of trees , volcanic eruption

c) physical change: shredding paper,

Answer 2

$\blue{\huge{\mid{\underline{\mathcal{\huge\red{A}\blue{n}\green{s}\pink{w}\purple{e}\red{r}{:-}}}\mid}}}$

═════════ ❃ ═════════

Slow Change :- Crops to get ripe and growing of trees are examples of slow change.

Fast Change :- Every Changing Second & earthquakes are examples of fast change.

Reversible Change :- To on a switch which can be off too & melting of wax are examples of reversible Change.

Irreversible Change :- Milk converted into curd & Burning of candle are examples of írreversible Change.

Physical Change :- ice into water & Breaking a glass are examples of physical Change.

Chemical Change :- food which is digested can't be get again & temperature change are examples of chemical Change.

Natural Change :- Seasonal Changes and height of Mount Everest.

Man Made change :- burning of fuels & chemical reactions .