IGCSE CHEMISTRY SOLVED past paper 0620/43/M/J/23 - May / June 2023 Paper 43

[@xdoubt4004]

Could I have drawn the but-2-ene displayed formula as C-C and then H on 3 sides and c2h5 on one side of carbon

[@m_furqan]

excatly

[@m_elite9568]

Mam how to know if a reaction is precipitation reaction?

[@areegtaher5529]

Metal cation + hydroxide anion = metal hydroxide

[@rayyanplayz283]

when an insoluble substance is formed

[@waltuh2608]

​@@areegtaher5529 is metal hydroxide a precipitate???

[@georgiianashkin]

It’s joever

[@Tooskilly]

24:39 why not put bracket?

[@DrMonaSeif]

Because it asked for one repeat unit only