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
Acids, bases and salts
Properties and pH scale
5.
Indicators: select the correct option for the given question
Exercise condition:
4
m.
1
.
X is a compound that reacts with blue litmus and turns it to red. Find X from the below given options .
\(NaHCO_3\)
\(Al(OH)_3\)
\(Zn(OH)_2\)
\(HNO_3\)
2
.
_________ is the natural indicator.
Washing soda in water
Sodium carbonate solution
China rose
Organic acid
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!