Question

match the following which are the
1)reversible change:-(a)Ploughing a field
b)stretching of a spring
C) cooking of food
D)bursting of a crackers
E) formation of curd from milk
F)weathering of rocks
G)evaporation of alcohol
H)motion of a swing
I) hammering of a metals in to J)sheets growth of a tree
K)rusting of iron
L) formation of seeds from flowers
F)breaking glass tumbler

2)
match the following which are the
irreversible change:-(a)Ploughing a field
b)stretching of a spring
C) cooking of food
D)bursting of a crackers
E) formation of curd from milk
F)weathering of rocks
G)evaporation of alcohol
H)motion of a swing
I) hammering of a metals in to J)sheets growth of a tree
K)rusting of iron
L) formation of seeds from flowers
F)breaking glass tumbler
3) match the following which are the
periodic change:-
(a)Ploughing a field
b)stretching of a spring
C) cooking of food
D)bursting of a crackers
E) formation of curd from milk
F)weathering of rocks
G)evaporation of alcohol
H)motion of a swing
I) hammering of a metals in to J)sheets growth of a tree
K)rusting of iron
L) formation of seeds from flowers
F)breaking glass tumbler

4)match the following which are the
non periodic change:-(a)Ploughing a field
b)stretching of a spring
C) cooking of food
D)bursting of a crackers
E) formation of curd from milk
F)weathering of rocks
G)evaporation of alcohol
H)motion of a swing
I) hammering of a metals in to J)sheets growth of a tree
K)rusting of iron
L) formation of seeds from flowers
F)breaking glass tumbler
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Answer 1

Answer:

1st one

b)stretching of a spring

C) cooking of food

F)weathering of rocks

H)motion of a swing

J)sheets growth of a tree

K)rusting of iron

L) formation of seeds from flowers

2nd one

(a)Ploughing a field

D)bursting of a crackers

E) formation of curd from milk

G)evaporation of alcohol

I) hammering of a metals

F)breaking glass tumbler

3rd one

F)weathering of rocks

J)sheets growth in trees

K)rusting of iron

L) formation of seeds from flowers

4th one

(a)Ploughing a field

D)bursting of a crackers

E) formation of curd from milk

b)stretching of a spring

C) cooking of food

D)bursting of a crackers

E) formation of curd from milk

F)breaking glass tumbler

K)rusting of iron

Explanation:

hope it helps.....