Chemistry · May / June 2023 · Paper 22 · Question 1
5070
As printed in the paper
The question as text
Choose from the following oxides to answer the questions. CO CO2 CaO CuO Fe2O3 H2O SO2 SiO2 ZnO Each oxide may be used once, more than once or not at all. State which oxide:
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
1(a)[1]
1(b)[1]
1(c)[1]
1(d)[1]
1(e)[1]
1(f)[1]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.