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Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations1 Mark
MCQ
What happens when magnesium ribbon is burned?
  • A
    The ribben burns out without leaving any residue.
  • B
    Burns with a dazzling white flame.
  • ✓
    Burns with a dazzling white flame and changes into a white powder.
  • D
    None of these.
✓

Answer

Correct option: C.
Burns with a dazzling white flame and changes into a white powder.
Magnesium ribbon burns with a dazzling white flame and changes into a white powder.
The white powder is magnesium oxide which isformed s a reaction between magnesium and oxygen present in the air.

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