Chemistry - 0620 / 42. Paper 4 - Theory (Extended) Question Paper - May / June 2021. IGCSE - Cambridge International Examination.

[1]. [Total: 12]. PMT. Page 8. 8. 0620/42/M/J/21. © UCLES 2021. 5. This question is about compounds of nitrogen. (a) Nitrogen reacts with lithium to form ...

INSTRUCTIONS. ○. Answer all questions. ○. Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.

Продолжительность: 27:00
Опубликовано: 22 авг. 2021 г.

This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners ...

Practice cambridge paper theory 2021 hour 15 minutes you must answer on the question paper. no additional materials are needed. instructions answer.

2021 May June Chemistry 0620 IGCSE Past Papers | CAIE | PapaCambridge.

© UCLES 2021 0620/42/M/J/21 [Turn over. 5 This question is about compounds of nitrogen. (a) Nitrogen reacts with lithium to form lithium nitride, Li3N. (i) ...

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