MCQ
Directions: Match column-I with Column-II and select the correct answer using the code given below the columns.
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S.No.
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Column-$I$
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Column-$II$
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$A.$
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Burning of carbon in air to produce carbon dioxide.
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$(p)$
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Endothermic change.
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$B.$
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Melting of wax.
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$(q)$
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Exothermic change.
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$C.$
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A change accompanied by absorption of heat.
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$(r)$
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Physical change.
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$D.$
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A change accompanied by evolution of heat.
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$(s)$
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Chemical change.
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- A$A \rightarrow (s), B \rightarrow (q), C \rightarrow (p), D \rightarrow (r)$
- ✓$A \rightarrow (s), B \rightarrow (q), C \rightarrow (p), D \rightarrow (r)$
- C$A \rightarrow (r), B \rightarrow (s), C \rightarrow (q), D \rightarrow (p)$
- D$A \rightarrow (r), B \rightarrow (q), C \rightarrow (s), D \rightarrow (p)$