Teaching DSSSB TGT Mock Test 2025 General Science Chemistry Classification of Elements and Periodicity in Properties
Match the following :
| Oxide | Nature | ||
| (a) | CO | (i) | Basic |
| (b) | BaO | (ii) | Neutral |
| (c) | Al2O3 | (iii) | Acidic |
| (d) | Cl2O7 | (iv) | Amphoteric |
Which of the following is correct option?
1
(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
2
(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
3
(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
4
(a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)