Guess Question Paper – 2011
Class – X
Subject – Science
(Acid, Bases & Salts)
1.What is the colour change when you add blue litmus to
sour substances?
2.Name two synthetic indicators.
3.Which acid is present in lemon juice?
4.Baking soda solution can be used as a remedy for which type of
ailments?
5.What is meant by neutralization?
6.Name two natural indicators.
7.What is the colour of methyl orange in acidic solution?
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