Chemistry Paper 21
May / June 2023·5070·10 questions
Mock exam: 75 min, official timing
Question paper
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
Question 10
Mark scheme
Question 1
1(a)[1]
1(b)[1]
1(c)[1]
1(d)[1]
1(e)[1]
1(f)[1]
Question 2
2(a)[2]
2(b)(i)[1]
2(b)(ii)[1]
2(b)(iii)[3]
2(c)[1]
Question 3
3(a)(i)[3]
3(a)(ii)[1]
3(a)(iii)[1]
3(b)[1]
3(c)(i)[1]
3(c)(ii)[1]
Question 4
4(a)[3]
4(b)[1]
4(c)[1]
4(d)[2]
4(e)[2]
Question 5
5(a)(i)[2]
5(a)(ii)[2]
5(a)(iii)[2]
5(b)[2]
5(c)[2]
Question 6
6(a)[5]
6(b)[3]
Question 7
7(a)[1]
7(b)(i)[1]
7(b)(ii)[1]
7(c)[1]
7(d)[1]
7(e)(i)[1]
7(e)(ii)[1]
7(f)(i)[2]
7(f)(ii)[1]
7(g)[1]
Question 8
8(a)[3]
8(b)[2]
8(c)[1]
Question 9
9(a)[3]
9(b)[1]
9(c)[1]
9(d)[1]
9(e)(i)[1]
9(e)(ii)[1]
Question 10
10(a)[1]
10(b)(i)[1]
10(b)(ii)[2]
10(c)[2]