Access the latest CBSE Class 10 Chemistry Chemical Reaction and Equations Worksheet Set B. 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
Question. 10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl.
If we take 20 mL of the same solution of NaOH, the amount of HCl solution (the same solution as before) required to neutralise it will be
a) 4 mL
b) 8 mL
c) 12 mL
d) 16 mL
Answer : D
Question. Which one of the following types of medicines is used for treating indigestion ?
a) antibiotic
b) analgesic
c) antacid
d) antiseptic
Answer : C
Question. A solution turns red litmus blue, its pH is likely to be
a) 1
b) 4
c) 5
d) 10
Answer : D
Question. A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains
a) NaCl
b) HCl
c) LiCl
d) KCl
Answer : B
Chemical Reactions and Equations Assertion Reason Class 10 Science
A. Both assertionand reason are true, and reason is the correct explanation of assertion.
B. Both assertion and reason are true, but reason is not the correct explanation of assertion.
C. Assertion is true but reason is false.
D. Assertion is false and reason is true.
Question. Assertion(A): Iron nails turn blue colour copper sulphate solution to green colour.
Reason(R): Copper is more reactive than iron.
Answer: C
Question. Assertion(A): Decomposition of Calcium Carbonate is a type of chemical reaction.
Reason(R): Chemical reactions involve the breaking and making of bonds to produce new substances.
Answer: A
Question. Assertion(A): Oxidation and reduction take place simultaneously in a reaction.
Reason(R): All chemical reactions are redox reactions.
Answer: C
Question. Assertion(A): The number of atoms of each element remains the same, before and after a chemical reaction.
Reason(R): Any chemical equation can be unbalanced because the mass may not be same on both sides of the equation.
Answer: C
Question. Assertion(A): Silver Chloride turns grey in sunlight.
Reason(R): This is an example of thermal decomposition.
Answer: C
Question. Assertion(A): The colour of salts does not depend on water of crystallisation.
Reason(R): Ferrous Sulphate crystals are blue in colour because of the seven water molecules of crystallisation.
Answer: D
Question. Assertion(A): Addition of oxygen is oxidation.
Reason(R): Removal of oxygen is reduction.
Answer: B
Question. Assertion(A): Reaction between Barium Hydroxide and Ammonium Chloride makes the test tube cool to touch.
Reason(R): It is an example of endothermic reaction.
Answer: A
Question. Assertion(A): Fatty foods taste the same even after long periods of exposure to air.
Reason(R): We should store oily foods in air tight containers.
Answer: D
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More free study material for Science
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.
You can download the teacher-verified PDF for CBSE Class 10 Chemistry Chemical Reaction and Equations Worksheet Set B from StudiesToday.com. These practice sheets for Class 10 Science are designed as per the latest CBSE academic session.
Yes, our CBSE Class 10 Chemistry Chemical Reaction and Equations Worksheet Set B includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 10.
Yes, we have provided detailed solutions for CBSE Class 10 Chemistry Chemical Reaction and Equations Worksheet Set B to help Class 10 and follow the official CBSE marking scheme.
Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 10 students get more marks in CBSE exams.
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