NEET Chemistry The s-Block Elements Questions Solved


A colourless salt gives violet colour to Bunsen flame and also turns moistured litmus paper blue. It Is:

(a) Na2CO3

(b) KNO3

(c) K2CO3

(d) Cu(OH)2

(c) Violet colour to flame is characteristic of potassium. Also aqueous solution of K2CO3 is alkaline.

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