Question

4 Fill in the blanks.
a) Distilled water is a _____solution
b) Phenolphthalein turns ________when brought in contact with a base
c) Lemon juice contains ______acid,
d) ___________ is an indicator extracted from lichens.
e) An ant bite can be treated by applying a _________solution.
f) ______is an antacid that reduces acidity in the stomach. Name the acid present in the following:​

Answer 1

Answer:

Neutral

pink

Citric acid

Litmus

Calmine/Basic

Calcium Carbonate [CaCO3]

Answer 2

a) Distilled water is a neutral solution.

b) Phenolphthalein turns pink when brought in contact with a base.

c) Lemon juice contains citric acid.

d) Litmus is an indicator extracted from lichens.

e) An ant bite can be treated by applying a calamine solution.

f) Aluminium hydroxide is an antacid that reduces acidity in the stomach.

hope it helps ✅✅✅

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