CBSE Class 10 Chemistry Acids Bases And Salts Worksheet Set C

CBSE Class 10 Chemistry Worksheet - Acids, Bases And Salts (2)

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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 difficult?

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 toothmay lead to tooth decay. Explain,why? What is the role of tooth

paste in preventing cavities

Q14 Write the names of five hydrated salts with their colours and formulae.

Q15 How are bases different from alkalis? Are all bases alkalies?

Q16 What are strong acids and weak acids? Give two examples.

Q17 How will you test a gas which is liberated when hydrochloric acid reacts with an

active metal?

Q18 Indicate with the help of a diagram the variation of pH with change in

concentration of hydrogen

ion and hydroxide ions showing

(i)Increase of acidic and basic nature.

(ii)Increase and decrease of H ion

Q19 W hat are indicators ? Give examples and their colour changes in different


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