A. turns blue litmus paper red
B. turns red litmus paper blue
C. does not affect litmus paper
D. bleaches litmus paper
Correct Answer: Option C
C. does not affect litmus paper
A. turns blue litmus paper red
B. turns red litmus paper blue
C. does not affect litmus paper
D. bleaches litmus paper
Correct Answer: Option C
C. does not affect litmus paper
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