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:

This is your answer

Explanation:

1. pH scale - a scale used to measure acidity/basicity
2. phenolphthalein - a type of indicator
3. salt - a product of reaction of an acid with a base
4. acid - has a high concentration of H+ ions
5. base - has a high concentration of OH- ions
6. corrosive - damaging material it touches
7. indicator - a substance which changes colour in acid or base

Answer 2

i) a product of reaction of an acid with a base