Chemistry
Grade-10
Easy
Question
The excess addition of which of the following solution would reverse the change when an aqueous solution turns red litmus solution to blue.
- HCl
Hint:
When blue litmus is placed in acidic solution it turns red.
The correct answer is: HCl
- When red litmus is placed in basic solution it turns blue.
- When blue litmus is placed in acidic solution it turns red.
- The excess addition of HCl would reverse the change when an aqueous solution turns red litmus solution to blue, as HCl is an acid.
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