Question
What are amphoteric oxides? Give two examples of amphoteric oxides.
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| Substance obtained by microbial processing | Roles | |
| (i) | Citric acid | _________________ |
| (ii) | Ascorbic acid | _________________ |
| (iii) | Beta carotene | _________________ |
| (iv) | Glycolipids | _________________ |
| (v) | Vanillin | _________________ |
| (vi) | Xylitol | _________________ |
| Column A | Column B |
| (1) Clouds over India | (a) Low Earth Orbit |
| (2) Global communication | (b) PSLV |
| (3) Launch vehicle made by ISRO | (c) Communication satellite |
| (4) International Space Station | (d) EDUSAT |
| (5) Navigational satellite | (e) Weather satellite |
| (f) Medium Earth Orbit |