Sign up

Teacher tutorials

Subject updates

Terms and Conditions

PDF chapter test TRY NOW

Subjects
Science CBSE
Class 10
Chemical reaction and equations
Textbook questions

31. NCERT Exemplar IV

Exercise condition:

2 m.

1. Which of the following is not a physical change?

Boiling of ice to give water
Boiling of water to give water vapour.
Dissolution of salt in water
Combustion of Liquefied Petroleum Gas (LPG)
Melting of ice to give water

2. Which among the following statement(s) is(are) true? Exposure of silver chloride to sunlight for a long duration turns grey due to __________.

the formation of silver by decomposition of silver chloride
oxidation of silver chloride
sublimation of silver chloride
decomposition of chlorine gas from silver chloride
displacement of silver chloride

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content

Copyright © 2026 YaClass Tech Private Limited Contacts Terms and Conditions Privacy Policy