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The element whose salts cannot be detected by flame test is (a) Mg (b) Na (c) Cu (d) Sr

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The element whose salts cannot be detected by flame test is

(a) Mg

(b) Na

(c) Cu

(d) Sr

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1 Answer

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Answer is : (a) Mg

Of all the s-block elements, Mg and Be salts do not impart colour to flame.

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