Chemistry
Grade-10
Easy

Question

Fill in the blanks:
Metal + oxygen rightwards arrow _________

  1. Metal oxide
  2. Metal ash
  3. Metal carbonate
  4. Metal hydride

hintHint:

Metal oxide

The correct answer is: Metal oxide


    When a metal reacts with oxygen a metal oxide forms. The general equation for this reaction is:
    metal + oxygen ---> metal oxide.
    Rust is a form of iron oxide and it forms slowly when iron is exposed to air.

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