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Salts of which of the following elements provide colours to fireworks

Salts of which of the following elements provide colours to fireworks?

(a)

Zinc and sulphur

(b)

Potassium and mercury

(c)

Strontium and barium

(d)

Chromium and nickel

Answer:

(c)

Easy

Explanation

Strontium and barium provide colors to fireworks. Hence, (c) is correct.