1. Write the names of any two neutral oxides with their formulae.
2. What are neutral and amhoteric oxides? Give one example of each.
3. What are oxiddes? Classify the following oxides justigying the classification:
a) NO b) CO2 c) ZnO d) CaO
4. Mention one example of each of the following:
    i. Allotrope of oxygen
    ii. Amphoteric oxide
    iii. Most abundant isotope of hydrogen
    iv. Neutral oxide