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M(OH)x has K(sp)=4xx10^-12 and solubilit...

`M(OH)_x` has `K_(sp)=4xx10^-12` and solubility `10^-4` M. hence x is:

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  13. Consider the reversible reaction, HCN(aq)⇌H^+ (aq)+CN^− (aq). At...

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  14. Which of the following is the set of amphiprotic species?

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  15. Amphoteric behaviour is shown by the oxides of:

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