CBSE Class 10 Chemistry Worksheet - Revision (7)

Scroll down for PDF

CBSE Class 10 Chemistry Worksheet - Revision (7)

Worksheets have become an integral part of the education system. Worksheets are very critical for every student to practice his/ her concepts. Students, teachers and parents can download all CBSE educational material and extremely well prepared worksheets from this website. All revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects have been prepared based on the latest guidelines sent by CBSE. All CBSE educational material is developed by our panel of teachers, have also been submitted by thousands of teachers and students. The study material has been carefully compiled by the best teachers in India. Worksheets have been submitted by teachers of various CBSE schools and also have been carefully developed keeping into consideration the latest CBSE syllabus.

Q1) Give an example of a reaction which takes place in the presence of sunlight.

Q2) On heating blue coloured powder of copper (II) nitrate in a boiling tube, copper oxide (black), oxygen and a brown gas X is formed.

(a) Write a balanced chemical equation of the reaction.

(b) Identify the brown gas evolved.

(c) Identify the type of reaction.

(d) What could be the pH range of aqueous solution of the gas? Q3) Define the following terms:-

(i) Ionic equation

(ii) Skeletal equation

Q4) How can you study experimentally that water is made of hydrogen and oxygen combined together in the ratio of 2:1 by volume? Q5)What do you mean by the term rancidity? Write the different methods to prevent rancidity. Q6) Why does the colour of silver nitrate change when a coin of copper is dipped in it? Q7) Write the balanced chemical equation for the following reactions and identify the type of reaction in

each case.

(i) Thermite reaction, Iron(III) oxide reacts with Aluminum and gives molten iron and Aluminum ii) Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.


(iii) Ethanol is burnt in air to form carbon dioxide, water and releases heat. Q8) Identify the oxidizing agent (oxidant) in the following reactions:

(a) Pb3O4 + 8HCl ---------> 3PbCl2 + Cl2 + H2O

(b) 2Mg + O2 ------------> 2MgO

(c) CuO + H2 -------------> Cu + H2O Q9) Which among the following are physical or chemical changes?

(a) Evaporation of petrol.

(b) Curdling of milk.

(c) Sublimation of solid ammonium chloride.

(d) Burning of LPG.

(e) Rusting of iron. Q10) Why do we store silver chloride in dark colour bottles?

Please click the below link to access CBSE Class 10 Chemistry Worksheet - Revision (7)


Click on the text For more study material for Chemistry please click here - Chemistry

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE postpones class 12 English Exam

CBSE had to postpone the class 12 English Exam, the date for the exam will be announced soon. Please see CBSE notice below

CBSE wont use Failed or Compartment in CBSE result mark sheet

CBSE has announced a significant change in the CBSE 10th and 12th mark sheet of the results to be given to the students. The CBSE board also decided to end the use of the words “failed” or “compartmental” given to students in the CBSE Board Report 2020 mark sheet....

CBSE Board examination 2020 Admit card

The admit card for CBSE 10th & 12th 2020 has been released online by the CBSE Board at The admit card is available to private as well as regular students. Private applicants may access the CBSE admit card 2020 by submitting their application number,...

New Guidelines in Delhi Schools for CORONAVIRUS

The Schools of Delhi strives for Good Health and Wellness for all its community of Students, Parents and Staff, after the daily increasing of positive cases of Coronavirus in Delhi. The Delhi Government instructed all the schools of the state on Thursday to shut down...

CBSE Exam centre locator Mobile App

The CBSE board examinations will start from 15 February 2020. The CBSE Board issued admit cards, and all schools start distributing copies of the admit cards. All students should read their admit card details correctly. CBSE admit card details the examination centre,...

All Delhi Schools to Adopt DIGITAL Attendance Methods

The Delhi Government takes another step ahead towards Digitalization of the Education Sector by proposing digital attendance in all Delhi Government Schools. As part of the Zero Paperwork Programme the attendance in all Delhi government school to be noted on e-tablets...

Studies Today