Chemistry
What are oxides? Give two examples of each of the following oxides.
(a) Basic oxide
(b) Acidic oxide
(c) Amphoteric oxide
(d) Neutral oxide
Answer
Oxides are compounds which essentially contains oxygen in its molecule, chemically combined with a metal or a non-metal.
(a) Calcium oxide (CaO) and magnesium oxide (MgO) are basic oxides.
(b) Carbon dioxide (CO2) and sulphur dioxide (SO2) are acidic oxides.
(c) Zinc oxide (ZnO) and aluminium oxide (Al2O3) are amphoteric oxides.
(d) Carbon monoxide (CO) and nitric oxide (NO) are neutral oxides.
Related Questions
Give reason:
Wasp sting is treated with vinegar.
Explain the following types of chemical reactions giving two examples for each of them:
(a) combination reaction
(b) decomposition reaction
(c) displacement reaction
(d) double displacement reaction
Define exothermic and endothermic reactions. Give two examples of each.
How will you obtain?
(a) Magnesium oxide from magnesium.
(b) Silver chloride from silver nitrate.
(c) Nitrogen dioxide from lead nitrate.
(d) Zinc chloride from zinc.
(e) Ammonia from nitrogen.
Also give balanced equations for the reactions.