Question

(a) The pH value of pure water is:-
(1) 0
(2) 7
(3) Less than 7
(4) More than 7
(b) The oxides of metals are
(1) Acidic
(2) Amphoteric
(3) Alkali
(4) Neutral
(c) The angle between the direction of two valencies of
each carbon atoms is
(1) 90°
(3) 130°28'
(2) 40°
(4) 109°28'​

Answer 1

Answer:

less than 7 .

Explanation:

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