1.

The element Z burns in air to form an oxide.The aqueous solution of this oxide turns blue litmus to red. (a) carbon (b) calcium (c) iron (d) magnesium

Answer»

The element Z burns in air to form an oxide.The aqueous solution of this oxide turns blue litmus to red.

(a) carbon

(b) calcium

(c) iron

(d) magnesium



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