The equation for the reaction between copper(II) oxide and carbon is shown. $$\[ 2 \mathrm{CuO}+\mathrm{C} \rightarrow 2 \mathrm{Cu}+\mathrm{CO}_{2} \]$$ Which statement about this reaction is correct?

A.
CuO is reduced.
B.
\(\quad \mathrm{CO}_{2}\) is oxidised.
C.
Cu is oxidised.
D.
C is reduced.
Chemistry
IGCSE&ALevel
CAIE
Exam No:0620_s25_qp_11 Year:2025 Question No:16

Answer:

A

Knowledge points:

5.1.1. State that an exothermic reaction transfers thermal energy to the surroundings leading to an increase in the temperature of the surroundings

Solution:

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