Metals react with oxygen in air to form _________.
Oxides
Carbonates
Sulphides
Nitrates
Metals react with oxygen to form metal oxides.
Question 24. Which of the following statements is not correct ? (a) All metal carbonates react with acid to give a salt, water and carbon dioxide (b) All metal oxides react with water to give salt and acid (c) Some metals react with acids to give salt and hydrogen (d) Some non-metal oxides react with water to form an acid