I put use nitric acid instead of hydrochloric acid because thats actually the acid in acid rain and the question said how to make the results more valid not accurate or reliable

Reply 53

scar-the-queen

16

Original post by alexiia

I put use nitric acid instead of hydrochloric acid because thats actually the acid in acid rain and the question said how to make the results more valid not accurate or reliable

that's what i said but i said sulfuric acid instead of nitric acid

Reply 54

alz_xyz

9

Original post by alexiia

I put use nitric acid instead of hydrochloric acid because thats actually the acid in acid rain and the question said how to make the results more valid not accurate or reliable

dyu think id still get marks

Reply 55

Funnybunny72

6

What did ppl say for the sulfur impurities question

Reply 56

loik24

8

Original post by Funnybunny72

What did ppl say for the sulfur impurities question

impurities such as sulfur are oxidised when coal is burnt and is given off as gaseous sulfur dioxide. it can then react with and dissolve in rain water to form sulfuric acid which then falls as acid rain

Reply 57

alexiia

12

Original post by alz_xyz

dyu think id still get marks

i'm not sure if im right either so idk

Reply 58

Funnybunny72

6

What did people get for the six marker for fermentation of glucose and the test for chlorine gas

Reply 59

Funnybunny72

6

Original post by loik24

impurities such as sulfur are oxidised when coal is burnt and is given off as gaseous sulfur dioxide. it can then react with and dissolve in rain water to form sulfuric acid which then falls as acid rain

Tyy

Edexcel GCSE Chemistry Paper 2 Higher Tier (1CH0 2H) - 13th June 2023 [Exam Chat]

Quick Reply

Related discussions

Latest

Trending

Trending

Articles for you