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 State Board
Class 9
Acids, bases and salts
Textbook questions
2.
Choose the correct answer II
Exercise condition:
3
m.
1
.
Acids turn blue litmus paper to
orange
green
red
2
.
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of
\(NO_2\)
\(CO_2\)
\(SO_2\)
3
.
The hydrated salt of copper sulphate has __________ colour.
red
white
blue
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!