CBSE Class 10 Chemistry Chemical Reactions And Equation Worksheet Set H

Access the latest CBSE Class 10 Chemistry Chemical Reactions And Equation Worksheet Set H. We have provided free printable Class 10 Science worksheets in PDF format, specifically designed for Chapter 1 Chemical Reactions and Equations. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 1 Chemical Reactions and Equations Science Practice Worksheet for Class 10

Students should use these Class 10 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 1 Chemical Reactions and Equations, to help you prepare for school tests and final examination. Regular practice of these Class 10 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 10 Science Chapter 1 Chemical Reactions and Equations Worksheet PDF

 

CHEMICAL REACTIONS AND EQUATIONS
 
1 MARKS QUESTIONS:
 
1) What is meant by a chemical reaction ?
 
2) On what basis is a chemical equation balanced? (Delhi 2010, Foreign 2008)
 
3) Write a balanced chemical equation for the reaction between sodium chloride and silver nitrate indicating the physical state of the reactant and the products.(Foreign 2010)
 
4) What are the various in which a chemical equation can be made more informative.
 
5) Identify the type of reaction in the following examples. (Delhi 2008C )
 
a) Na2SO4 + BaCl2→ BaSO4 + 2NaCl.          b) N2+ 3H2→ 2NH3
 
c) 2Pb (NO3)2 →2PbO +4 NO2 + O2             d) Zn + 2 Ag NO3→Zn (NO3)2 + 2 Ag
 
2 MARKS QUESTIONS:
 
6) Using balanced chemical equation explain the difference between a displacement reaction and double displacement reaction. (CBSE- 2012 , 2011)
 
7) Define the following terms with examples.
 
a) Oxidation    b) Reduction     c) Corrosion    d) Redox Reaction
 
8) In the reaction represented by the equation CuO +H2→Cu + H2O
 
a) Name the substance oxidized & the substance reduced
 
b) Name the oxidizing agent & the reducing agent
 
9) A colorless lead salt when heated produces a yellow residue and brown fumes.
 
a) Name the lead salt.     b) Name the brown fumes.
 
c) Write a chemical equation of the reaction involved
 
10) What are antioxidants ?why are they added to fat and oil containing food ?
 
 3 MARKS QUESTIONS:
 
11) a)What is the colour of FeSO4 crystals ? How does this colour change after heating ?
 
b) Name the products formed on strongly heating ferrous sulphate crystals . What type of chemical reaction occurs in this change ?Also write the chemical equation.
 
12) Write balanced chemical equations with state symbols for the following reactions.
 
a) Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water .
 
b) Barium chloride solution reacts with aluminium sulphate solution to form a precipitate of barium sulphate and aluminium chloride solution .
 
c) Potassium reacts with water to give potassium hydroxide and hydrogen .
 
13) Balance the following equations. (CBSE- 2008 to 2012)
 
a) MnO2 + HCI→MnCI2 + H2O + Cl2 ( b) NH3 + O2→ NO + H2O
 
c) C4H10 +O2 →CO2 + H2O (d) Fe2 (SO4)3+ BaCl2→ FeCl3 + BaSO4
 
e) Cu + HNO3→ NO2 + H2O + Cu(NO3)2
 
14) What type of chemical reaction takes place when :
 
a) A magnesium wire is burnt in air.      b) Lime – stone is heated.                                c) Silver bromide is exposed to sunlight.
 
d) Electricity is passed through water.   e) Ammonia and hydrogen chloride are mixed.    f ) A white salt on heating decomposes to give brown fumes.
 
15) What happens when Zn metal is dipped in CuSOsolution ?Give the chemical reaction involved .State which is more reactive , Zn or Cu?
 
16) Define a combination reaction .Why are decomposition reactions called the opposite of Combination reaction ?Write equations for these reactions .
 
17) On heating blue coloured powder of copper (II) nitrate in boiling tube , copper oxide (black) , oxygen gas and a brown gas ‘x’ is formed . (DELHI-2010 )
 
a) Write a balanced chemical equation of the reaction.
 
b) Identify the brown gas ‘x’ evolved c) Identify the type of reaction .
 
18) What is rancidity?Mention any two ways by which it can be prevented. {CBSE (CCE) 2012}
 
VALUE BASED QUESTION:
 
19) Anjali told her chemistry teacher that biofuels should be used instead of fossil fuels.She read in science magazine that( Researchers have found that one of the most common bacteria E.coli can digest simple sugars from plant waste and turn it into biofuel.Biofuels made from plants and animal waste,are alternative to petroleum based fuels. )
 
A) What is biofuel?     B) What are advantages of biofuel?     C) Is preparation of biofuel a physical or chemical process?     D)Why is biofuel better than petroleum products?
 
E)What values are possessed by Anjali who wants to use biofuel?

 

Please click on below link to download CBSE Class 10 Chemistry Chemical Reactions And Equation Worksheet Set H

Chapter 05 Life Processes
CBSE Class 10 Biology Excretion Set A
CBSE Class 10 Biology Excretion Set B
CBSE Class 10 Biology Excretion Set C
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set A
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition In Animals Worksheet
CBSE Class 10 Biology Life Processes Nutrition In Plants Worksheet
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set A
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set C
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set D
CBSE Class 10 Biology Life Processes Reference Materials Worksheet
CBSE Class 10 Biology Life Processes Respiration In Animals Worksheet
CBSE Class 10 Biology Life Processes Respiration Worksheet Set A
CBSE Class 10 Biology Life Processes Respiration Worksheet Set B
CBSE Class 10 Biology Life Processes Respiration Worksheet Set C
CBSE Class 10 Biology Life Processes Respiration Worksheet Set D
CBSE Class 10 Biology Life Processes Transporation Worksheet Set A
CBSE Class 10 Biology Life Processes Transporation Worksheet Set B
CBSE Class 10 Biology Life Processes Transporation Worksheet Set C
CBSE Class 10 Biology Life Processes Transporation Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet Set A
CBSE Class 10 Biology Life Processes Worksheet Set B
CBSE Class 10 Biology Life Processes Worksheet Set C
CBSE Class 10 Biology Life Processes Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet Set E
CBSE Class 10 Biology Life Processes Worksheet Set F

Chapter 1 Chemical Reactions and Equations CBSE Class 10 Science Worksheet

Students can use the Chapter 1 Chemical Reactions and Equations practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 10 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 1 Chemical Reactions and Equations

Our expert team has used the official NCERT book for Class 10 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.

Extra Practice for Science

To get the best results in Class 10, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 10 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download latest CBSE Practice worksheets for Class 10 Science Chapter 1 Chemical Reactions and Equations

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