CBSE Class 10 Science Chemistry Different Types of Chemical Reactions Assignment

Read and download free pdf of CBSE Class 10 Science Chemistry Different Types of Chemical Reactions Assignment. Get printable school Assignments for Class 10 Chemistry. Standard 10 students should practise questions and answers given here for Chemistry in Grade 10 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 10 Chemistry prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Different Types Of Chemical Reactions Class 10 Chemistry Assignment Pdf

Class 10 Chemistry students should refer to the following printable assignment in Pdf for Different Types Of Chemical Reactions in standard 10. This test paper with questions and answers for Grade 10 Chemistry will be very useful for exams and help you to score good marks

Class 10 Chemistry Assignment for Different Types Of Chemical Reactions

CBSE Class 10 Science Chemistry Different Types of Chemical Reactions Assignment. Students are advised to refer to the attached assignments and practice them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.


Combination reaction

Objectives: To study the Combination reaction of Quick lime (CaO) in water


Requirements: CaO, water, beaker, thermometer, stirrer, etc.


Points to remember:

1. CaO is a white powder

2. It reacts with water to form slaked lime [Ca(OH)2]

3. This process is called slaking of lime

4. Slaked lime is a suspension of Ca(OH)2 in water.

5. Clear solution of Ca(OH)2 in water is known as lime water

6. Slaking of lime is an exothermic reaction releasing a lot of heat energy.

7. CaO(s) + H2O(l) →Ca(OH)2(s/aq)



1. Take about 50 ml of water is a beaker and note its temperature and record as T1C

2. Add 2 spatula of CaO to it.

3. Stir well

4. Note the temperature again and record the same as T2C

5. Compare the temperature. (Which is greater? T1 or T2?)



1. Initial temperature: T1C = ………….C

2. Final Temperature: T2C = ………… C


Result: Reaction between CaO and water is an example of combination reaction and it is an exothermic combination reaction.



1. Water used may boil due to chemical reaction and hence touching the hot beaker with bare hand should be avoided.

2. Use goggles and lab coat

3. Hg thermometer should be handled with care.


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