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Changes Around Us — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceChanges Around Us1 Mark
MCQ
Direction: Read the passages given below and answer the questions that follow Passage. Ravi and Tina were working on a project based on changes around us, for which they were observing different changes occurring in their daily life. They went to kitchen where they saw there mother was cooking food on $LPG$ stove. Ravi said that burning of $LPG$ in $LPG$ stove involves chemical change. But Tina argued that both physical and chemical changes are involved this process. Which one of the following examples in volves both chemical and physical changes$?$
  • A
    Cutting of wood.
  • B
    Melting of ice.
  • ✓
    Burning of a candle.
  • D
    Burning of paper.
✓

Answer

Correct option: C.
Burning of a candle.

During burning of a candle melting of wax takes place that is a physical change. But it also results in formation of water vapours and carbon dioxide which is a chemical change.

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