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4 December, 09:42

1. Which of these describes a chemical

change?

A. Frost disappears from a window in

the morning

B. A silver spoon that tarnishes over the

years

C. A decrease in temperature reduces

the volume of a gas

D. A cup of hot tea cools down

+5
Answers (1)
  1. 4 December, 12:08
    0
    The answer is c in my opinion
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