Gcse chemistry flame - Study guides, Class notes & Summaries

Lithium(flame) - Answer Crimson Sodium(flame) - Answer Yellow Potassium(flame) - Answer Lilac Calcium(flame) - Answer orange/red Lithium(flame) - Answer Crimson copper(flame) - Answer green Magnesium(flame) - Answer No colour/white copper - Answer blue precipitate when sodium hydroxide added Iron(II) - Answer green precipitate when sodium hydroxide added Iron(III) - Answer brick red precipitate when sodium hydroxide added calcium - Answer white...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2023. CH4 + 2 O2 → CO2 + 2 H2O 1 AO2 5.7.1.3 Question Answers Extra information Mark AO / Spec. Ref. 01.2 hydrocarbon molecules in petrol have fewer carbon atoms than those in diesel petrol has a lower boiling point (range) than diesel allow converse throughout allow petrol is more flammable than diesel allow petrol is less viscous than diesel 1 1 AO3 5.7.1.3 Question Answers Extra information M...

Edexcel GCSE Chemistry Test Questions With All Correct Answers Uses for bitumen? - ANSWER Making roads Test fo H2 (hydrogen gas) - ANSWER Burns with squeaky pop Test for O2 (oxygen gas) - ANSWER Relights glowing splint Test for CO2 (carbon dioxide gas) - ANSWER Turns limewater cloudy (then colourless again) Test for Cl2 (chlorine gas) - ANSWER Turns damp blue litmus red, then bleaches it Test for NH3 (ammonia) - ANSWER Turns damp red litmus paper b...

AQA GCSE CHEMISTRY 8462/2F Paper 2 Foundation Tier Question Paper + Mark scheme [MERGED] June 2022 *JunF01* IB/M/Jun22/E11 8462/2F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at ...

GCSE CHEMISTRY F Foundation Tier Paper 2 Time allowed: 1 hour 45 minutes Materials For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. Do...

GCSE CHEMISTRY F Foundation Tier Paper 2 Time allowed: 1 hour 45 minutes Materials For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. Do...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2020 Version: 1.0 Final Mark Scheme Complete combined with AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Chemistry Paper 1H Mark scheme June 2020 Version: 1.0 Final Mark SchemeGCSE Document Content and Description Below AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2020 Version: 1.0 Final Mark Scheme Complete combined with AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Chemistry P a...

AQA GCSE CHEMISTRY Higher Tier Paper 2 2020. *junH01* IB/M/Jun20/E12 8462/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Wednesday 10 June 2020 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • An...

GCSE CHEMISTRY F Foundation Tier Paper 2 Time allowed: 1 hour 45 minutes Materials For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. Do...

GCSE CHEMISTRY F Foundation Tier Paper 2 Time allowed: 1 hour 45 minutes Materials For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. Do...