Which of the following elements form acidic oxide? (I) Element with atomic no.7 (II) Element with atomic no. 3 (III) Element with atomic no.15 (IV) Element with atomic no.19 |
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(a) |
I and II |
(b) |
I and III |
(c) |
II and IV |
(d) |
Only I |
Which of the following elements form acidic oxide? (I) Element with atomic no.7 (II) Element with atomic no. 3 (III) Element with atomic no.15 (IV) Element with atomic no.19 |
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(a) |
I and II |
(b) |
I and III |
(c) |
II and IV |
(d) |
Only I |