Question

1.
ature
n their
Multiple Choice Questions (MCQs)
Tick (the correct option.
(a) in an acidic medium, turmeric paper
(i) shows no change in colour
(ii) turns reddish-brown
turns pink
(iv) none of these
(b) The strength of an acid or base can be known using a
(i) litmus paper
(ii) pH paper
(iii) turmeric paper
(iv) china rose indicator
(c) Lime juice will turn
(i) blue litmus red
(ii) red litmus blue
(iii) both (i) and (ii)
(iv) red litmus yellow
prodi
in contaa
Cid with a
d water
acidic, ban
(d) On coming in contact with a base, phenolphthalein indicator changes to
(i) pink colour
(ii) green colour
(iii) yellow colour
(iv) red colour
(e) Bases turn yellow turmeric paper to
(i) black
(ii) reddish brown
(iii) dark yellow
(iv) none of these
(1) The acid produced in the stomach is
(i) nitric acid
(ii) hydrochloric acid
stances
(iv)
none of these
alphthale
(iii) acetic acid
n reaction
(g) A base that neutralises the effect of acid in the stomach to cure indigestion
is called
(i) antacid
(ii) nitric acid
(iii) acetic acid
(iv) none of these
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Answer 1

Answer:

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Answer 2

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