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AQA GCSE Chemistry Paper 2 (Higher Tier) 8462/2H - 20 Jun 2022 [Exam Chat]

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gcse2022__

yh i put about condensing and stuff too for the ammonia one. for the reaction stopping one i just said it was carried out to completion cos i think its the same thing? idk tho i was kind of confused for some questions

yeah - i think overall it was way better than paper 1 - it was quite good to be honest - a few dodgy one/two markers - honestly some of the questions were soo similar to past paper questions :smile:

Reply 381

username5916039

Original post by stress17

Yh I put the reaction is completed as all the hydrochloric acid is used up

(edited 1 year ago)

Reply 382

stress17

Original post by gcse2022__

yeah - i think overall it was way better than paper 1 - it was quite good to be honest - a few dodgy one/two markers - honestly some of the questions were soo similar to past paper questions :smile:

yh completely agree! chemistry's usually one of the subjects i struggle more with but i think the papers this year have been way nicer than usual- as far as i know ive done pretty well having just crammed the night before for about 8 hours and that hasn't worked for mocks before as well. i remember i was confused abt the volume of gases question on paper 1 but it was okay other than that i think. hoping for a 9 but i would be happy with an 8

Reply 383

stress17

Original post by do de die egg

Yh I put the reaction is completed as all the hydrochloric acid is used up

that's rly similar to what i put too i think

Reply 384

sewey1

for why its better to use scrap copper can you say uses less energy

Reply 385

sewey1

would for why its better to use scrap copper i put
1)uses less energy
2)conserves finite resources like copper ores
would that get the marks??

Reply 386

stress17

Original post by sewey1

for why its better to use scrap copper can you say uses less energy

yes i think so - unsure if you need to specify that recycling uses less energy than mining etc or can just say less energy tho

Reply 387

stress17

Original post by sewey1

would for why its better to use scrap copper i put
1)uses less energy
2)conserves finite resources like copper ores
would that get the marks??

i think you should get the marks

Reply 388

username5916039

Original post by gcse2022__

also for the natural gas deposit question i put - as the plankton, marine animals and plants died - they became compressed due to high pressure and were buried in mud - the fossil fuels are burned to form crude oil - then fractions

I said the same but I did not say it was buried in mud

Reply 389

sewey1

for natural gas question i put it is formed from the remains of organisms mainly plankton that were buried on the sea bed.after millions of years of high pressure and deposition natural gas was formed

Reply 390

username5868172

what reason did you put for the solution turning cloudy? it was about sulfur but i dont remember the question well

Reply 391

Theacty119

Original post by jennaa21

what reason did you put for the solution turning cloudy? it was about sulfur but i dont remember the question well

Barium chloride react with the sulphate compound which formed the insoluble barium sulphate (white precipitate)

Reply 392

sewey1

Original post by jennaa21

what reason did you put for the solution turning cloudy? it was about sulfur but i dont remember the question well

is that the question to do with the required practical on hci and sodium thiosulfate

Reply 393

username5868172

Original post by sewey1

is that the question to do with the required practical on hci and sodium thiosulfate

no it was a question that was just by itself on the page and

Reply 394

Theacty119

Original post by jennaa21

what reason did you put for the solution turning cloudy? it was about sulfur but i dont remember the question well

Original post by sewey1

is that the question to do with the required practical on hci and sodium

That one I put it’s because sulphur produced is solid

Reply 395

sewey1

Original post by Theacty119

That one I put it’s because sulphur produced is solid

i thought it was the reaction produces a yellow precipitate of sulphur

Reply 396

Bxrn3r

Original post by jennaa21

what reason did you put for the solution turning cloudy? it was about sulfur but i dont remember the question well

It's because sulfur is formed which is a precipitate

Reply 397

Bxrn3r

Original post by gcse2022__

im sure its to do with sulfur being a precipitate making the solution go cloudy as its been on past paper questions

Yep it's that sulfur is formed which is a precipitate

Reply 398

gcse2022__

for the sodium hydroxide and barium chloride questions i put blue precipitate and white precipitate formed - is that ok - i didnt put colour change

Reply 399

Theacty119

Original post by gcse2022__

for the sodium hydroxide and barium chloride questions i put blue precipitate and white precipitate formed - is that ok - i didnt put colour change

Yeah that would be fine

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AQA GCSE Chemistry Paper 2 (Higher Tier) 8462/2H - 20 Jun 2022 [Exam Chat]

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