Q. Aqueous solution of copper sulphate?
A) affects both red and blue litmus
B) does not affects litmus
C) turns red litmus blue
D) turns blue litmus red
✔ Correct Answer: turns blue litmus red
Exam Insight
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A) affects both red and blue litmus
B) does not affects litmus
C) turns red litmus blue
D) turns blue litmus red
✔ Correct Answer: turns blue litmus red
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