Objective-type questions 2.
B. Fill in the blanks.
3
A sour fruit such as an orange or a lemon
in it.
contains a weak
4
acid is found in curd.
2.
3. Sulphuric acid and hydrochloric acid are
examples of
acids.
4. The amount of water in an acid gives us the
of the acid.
5. An
is a substance which is used to
tell whether a substance is acidic or basic.
6. A substance that does not change the colour
of an indicator is called
7. Two natural indicators which can be used
to detect basic substances are and
8. An ant bite contains
acid.​