Class 10 Science Acid base and Salts Practice worksheet

In this page we have Class 10 Science Acid base and Salts Practice worksheet . Hope you like them and do not forget to like , social shar and comment at the end of the page. a. Match the column
b. Fill in the blanks
c. True and False
e. Short Answer Questions
f. Long answer questions(5 Marks)

Match the column

Question 1
Match the column
Class 10 Science Acid base and Salts Practice worksheet

Question 2
Match the column

Fill in the blanks

Question 3
(a) Chemical formula for bleaching powder is ______.
(b) Acids ______ _______ bases to form ________ and water.
(c) The term pH was coined by _______ .
(d) An acidic solution contains _____ _______ ions .
(e)________ ________ is used in softening water.
(f) ______ medicine used to treat indigestion
(g) Calcium Sulphate hemihydrate is popularly known as _____ ___ _____.
(i) ________ are present in aerated drinks

True and False

Question 4
True and False statement
(a) Vinegar contains acetic acid
(b) Formic acid is a weak acid
(c) Acids gives H+ ion in water
(d) Baking soda is used for Softening of hard water
(e) pH of a solution can vary from 0-14.
(f) Heat is evolved during ionization.
(g) NaCl is a base
(h) Acids turns blue litmus solution to red

Short questions

Question 5
Name four gases that can be prepared in the laboratory using dilute H2SO4. Show how they can be prepared?

Question 6
A milkman adds a very small amount of baking soda to fresh milk.
(a) Why does he shift the pH of the fresh milk from 6 to slightly alkaline?
(b) Why does this milk take a long time to set as curd?  

Question 7
(a) What is lime water?
(b) How plaster of paris is formed?
(c) What is the pH of our stomach
(d) Name a strong base and a weak base.
(e) Name a hydrated salt
(f) What is a universal indicator? What is its advantage?

Long Answer type

Question 8
(a) List in tabular form two differences between an acid and a base based on their chemical properties?
(b) State the meaning of neutralization reaction ?. Give two examples to illustrate your answer.

Question 9
A student dropped few pieces of marbles in dilute hydrochloric acid, contained in a test tube. The evolved gas was then passed through lime water. What change would be observed in lime water? What will happen if excess of gas is passed through lime water? Write balanced chemical equations for all the changes observed.

Question 10
What is observed when carbon dioxide gas is passed through lime water.
(a) for a short duration?
(b) for long duration?
Also write the chemical equations for the reactions involved.

Question 11
State reasons for the following statements:
(a) Tap water conducts electricity, whereas distilled water does not.
(b) Dry hydrogen chloride gas does not turn blue litmus red, whereas hydrochloric acid does.
(c) During summer season, a milkman usually adds a very small amount of baking soda to fresh milk.
(d) For dilution of an acid, acid is added into water and not water into acid.
(e) Ammonia is a base but does not contain a hydroxyl group.

Question 12
(a) In a tabular form write the colours of the following indicators in presence of acid and base:
Litmus solution, phenolphthalein solution, methyl orange solution
(b) Classify the following given solution A and B in acidic and basic, giving reason.
SOLUTION A: [H+] < [OH-]
SOLUTION B: [H+] > [OH-]

Question 13
(a) A metal compound ‘X’ reacts with dil. H2SO4 to produce effervescence. The gas evolved extinguishes a burning candle. If one of the compound formed is calcium sulphate then what is ‘X’ and the gas evolved? Also, write a balanced chemical equation for the reaction which occurred.
(i) Name one antacid. How does it help to relieve indigestion in stomach?
(ii) A farmer treats the soil with quick lime or calcium carbonate. What is the nature of soil? Why does the farmer treat the soil with quick lime?

Question 14
State what happens when sodium hydroxide solution reacts with dilute hydrochloric acid. What is this reaction called?

Question 15
Write the chemical name and formula of common salt. List two main sources of common salt in nature. Write any three uses of common salt. How is it connected to our struggle for freedom?

Question 16
An aqueous solution of sodium chloride is neutral but an aqueous solution of sodium is basic.

Question 17
What is chlor-alkali process? Write the chemical reaction taking place in the form of a balanced chemical equation. Name the gases liberated at the cathode and at the anode respectively.

Question 18
(a) What is baking soda? How is it known chemically?
(b) What is the nature of this salt?
(c) Write one application of it.
(d)Write chemical names and formulae of Plaster of Paris and gypsum.

Question 19
How do metal carbonates and metal hydrogen carbonates react with acids?

Question 20
A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives the carbonate back. On the other hand, a gas G that is obtained at anode during electrolysis of brine is passed on dry Y, it gives a compound Z, used for disinfecting drinking water. Identify X, Y, G and Z.


This Class 10 Science Acid base and Salts Practice worksheet with answers is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.

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