Tick (✅) the correct option:
2. The substance used for purification of water is
a) phitkari
b) salt
c) acid
d) alkali
3. Which of the following is not a base?
a) Sodium hydroxide
b) calcium hydroxide
c) Calcium carbonate
d) magnesium hydroxide
4. Lemon juice is alan
a) base
b) salt
c) indicator
d) acid
Answers
Answered by
3
Answer:
lemon juice is an acid
calcium carbonate is not a base
Answered by
3
Answer:
1) Phitkari
2) magnesium hydroxide
3) salt
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