Question

a) pH
b) cutting of paper
d) acid
f) souring of milk
g) indicator

COLUMN (B)

i) chemical change
ii) has a high concentration of H+ions
iii) a substance which changes color in acid or base
iv) physical change
v) the scale used to measure acidity/basicity


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Answer 1

Answer:

a) ii

b) iv

c) i

d) iii

e) v

Answer 2

Answer is:✌.............

2

4

1

3

5