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IGCSE CHEMISTRY SOLVED past paper 0620/22/O/N/23 - October / November 2023 Paper 22
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@TurboTracks8 2 ай бұрын
Thank you mam
@NewSummers 2 ай бұрын
in 17:40 how is the boiling point increasing down the group? its clearly decreasing is it not. ur answer is correct via ms but i dont understand the bp part
@DrMonaSeif 2 ай бұрын
The value of the negative number increase as the number gets smaller
@haiamustafa3978 2 ай бұрын
How do I know in 11:05 when it’s single or double bond?
@qaiidlan9910 2 ай бұрын
can you explain more for question 19?
@DrMonaSeif 2 ай бұрын
*A is wrong:* It describes an acid-metal reaction, not an acid-base reaction. *B is wrong:* It describes a precipitation reaction, not an acid-base reaction. *C is wrong:* It involves a base and a salt to form a precipitate, but it is not a direct acid-base neutralization reaction.
@Gy0is_d3ad 5 ай бұрын
In question 8 how did you find the ratio?
@DrMonaSeif 5 ай бұрын
14.3÷ 7.14
@Gy0is_d3ad 5 ай бұрын
Thank you
Dr. Mona Seif
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