Chemistry · May / June 2022 · Paper 61 · Question 3
0620
As printed in the paper
The question as text
Solid E and solution F were analysed. Solid E was ammonium sulfate. Tests were done on each substance. tests on solid E Complete the expected observations. Solid E was dissolved in water to form solution E. Solution E was divided into three approximately equal portions in one boiling tube and two test-tubes.i
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
3(a)[2]
(red) litmus becomes blue
ammonia / NH3
3(b)[1]
no change / (remains) colourless
3(c)[1]
white precipitate
3(d)[1]
any in range 2–6
3(e)[1]
hydrogen / H+
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.