Non-metal oxides are usually:
1). amphoteric
2). basic
3). acidic
4). neutral
1. Which vegetables comes under the list of Operation Greens: Making it to the TOP?
2. The gentle 'seaward sloping' surface from the coasts is called ________
3. निम्नलिखित में से किस स्थान पर नादिरशाह ने चढाई नहीं की थी ?
5. What does E stand for in REDD?
6. Who appoints the Chief Election Commissioner of India?