Question

Fill in the blanks with the correct choice given in brackets. (i) In an ionic compound, the bond is formed due to __________ of electrons. [sharing / transfer]
(ii) Zinc is __________ reactive than aluminium. [less/more]
(iii) The chemical reaction in which heat is absorbed is known as __________ reaction. [endothermic/exothermic]
(iv) The molecular formula of ammonium sulphate is __________ .[NH₄SO₄ /(NH₄)₂SO₄]
(v) If an element has two electrons in its outermost shell, then it is likely to be __________ .[Metallic / Non-metallic]

Answer 1

Correct choice are given in brackets as below :

(i) In an ionic compound, the bond is formed due to transfer of electrons.

(ii) Zinc is less reactive than aluminium.

(iii) The chemical reaction in which heat is absorbed is known as endothermic reaction.

(iv) The molecular formula of ammonium sulphate is (NH₄)₂SO₄

(v) If an element has two electrons in its outermost shell, then it is likely to be Metallic

Answer 2

Answer:

1. Transfer

2. Less

3. Endothermic

4. [NH4]2SO4

5. Metallic

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