Question

Match the following:

COLUMN (A)

a) pH scale
b) phenolphthalein
c) salt
d) acid
e) base
f) corrosive
g) indicator

COLUMN (B)

i) a product of reaction of an acid with a base
ii) a scale used to measure acidity/basicity
iii) damaging material it touches
iv) has a high concentration of H+ ions
v) a type of indicator
vi) a substance which changes colour in acid or base
vii) has a high concentration of OH- ions

​

Answer 1

Answer:

1) ii

2) i

3) v

4)iv

5) vii

6) iii

7)vi