Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 7
Physical and chemical changes
Textbook questions
17.
NCERT Exemplar II
Exercise condition:
2
m.
1.
A chemical change may involve -
Change in colour only
Change in temperature only
Evolution of gas only
Any or all of the above
2.
Which of the following is/are true when milk changes into curd?
(i). Its state is changed from liquid to semi solid.
(ii). It changes colour.
(iii). It changes taste.
(iv). The change cannot be reversed.
(i) to (iv) are correct
(i) and (ii) are correct
(i), (iii) and (iv) are correct
(ii) and (iii) are correct
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!