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Subjects
Science CBSE
Class 7
Acids, bases and salts
Textbook questions
28.
NCERT Exemplar XVII
Exercise condition:
5
m.
Match the substances in Column I with those in Column II.
Column I
Column II
(a).
Tartaric acid
curd
unripe mangoes
lime water
soap
ant's sting
(b).
Calcium hydroxide
unripe mangoes
curd
lime water
soap
ant's sting
(c).
Formic acid
lime water
curd
ant's sting
soap
unripe mangoes
(d).
Sodium hydroxide
lime water
soap
ant's sting
curd
unripe mangoes
(e).
Lactic acid
soap
lime water
ant's sting
curd
unripe mangoes
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