Question

(a) Select the correct answer from A, B, C and D -
Metals lose electrons during ionization — this change
is called
A. Oxidation
B. Reduction
C. Redox
D. Displacement
(b) Select the right answer —
(i) Sodium chloride — covalent bond / ionic bond /
covalent and coordinate bond.
(ii) Ammonium ion -- covalent bond / ionic bond /
covalent and coordinate bond.
(iii) Carbon tetrachloride - covalent bond / ionic
bond / covalent and coordinate bond.
​

Answer 1

Answer:

A. Oxidation

(i) ionic bond

(ii) covalent and coordinate bond

(iii) covalent bond

Answer 2

Answer:

(a) oxidation

(b)

(i) ionic bond

(ii) covalent bond

(iii) covalent and coordinate bond

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