MCQ
Consider the following statements and choose the incorrect statement$(s)$:
  • A
    The burning of magnesium in air to produce heat and light is a combustion process.
  • B
    When charcoal burns, then the carbon of charcoal combines with oxygen of air to form carbon dioxide.
  • C
    A combustible substance is also called a fuel.
  • Those substances which can undergo combustion are called non-combustible substances.

Answer

Correct option: D.
Those substances which can undergo combustion are called non-combustible substances.
Those substances which can undergo combustion are called non-combustible substances.

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