CBSE Class 10 Chemistry Worksheet - Acids, Bases And Salts
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Q1 Why does the flow of acid rain water into a river make the survival of aquatic life in the river
Q2 Why should water be never added dropwise to concentrated sulphuric acid?
Q3 Write balanced chemical equations for the reactions taking place when dry blue crystals of
copper sulphate are dropped into concentrated sulphuric acid.
Q4 What is the role of tartaric acid in baking powder?
Q5 There are two jars A and B containing food materials.Food in jar A is pickled with acetic acid while B
is not.Food of which jar will stale first?
Q6 If soil is acidic which compound would you spread to treat the soil?
Q7 Write two observations you make when quick lime is added to water.
Q8 A calcium compound which is yellow white powder is used as disinfectant and also in textile
industry.Name the compound. Which gas is released when this compound is left exposed in air?
Q9 State the chemical property in each case on which the following uses of baking soda are based
(i) As an antacid
(ii) As a constituent of baking powder
Q10 How is chlorine of lime is chemically different from calcium chloride?
Q11 Name the acids present in the following foodstuffs which attribute to a sour taste to them
(a) Lemon juice
(c) Vitamin C tablet
(e) Sour milk
Q12 What does pH stand for? What does pH scale indicate?
Q13 Sweet tooth may lead to tooth decay. Explain,why? What is the role of tooth paste in preventing
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