Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper
Channel: Doubtnut
Date: 2020-04-19

Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper blue is:   `{:(KCN,K_(2)SO_(4),(NH_(4))_(2)C_(2)O_(4),NaCI),(ZN(NO_(3))_(2),FeCI_(3),K_(2)CO_(3),NH_(4)NO_(3)),(LiCN,,,):}`