IGCSE Chemistry Feb/March 2021 Paper 42 Model Answer + Explanation- 0620/42/F/M/21

0620/42/F/M/21 Model Answers / Mark Scheme

Cambridge IGCSE 0620 Chemistry Feb/March 2021 Paper 42 model answers with detailed explanation.

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Q1 0:20
Q2 4:52
Q3 7:53
Q4 12:38
Q5 20:10
Q6 27:53

IGCSE 0620 Chemistry Feb/March 2021 Papers:

For more tips to score in IGCSE Chemistry papers, check out also:

0620/41/M/J/41 Model Answers / Mark Scheme

0620/42/M/J/21 Model Answers / Mark Scheme

0620/43/M/J/21 Model Answers / Mark Scheme

0620/22/F/M/21 Model Answers / Mark Scheme Part 1 (Q1-20)

0620/22/F/M/21 Model Answers / Mark Scheme Part 2 (Q21-40)

0620/62/F/M/21 Model Answers / Mark Scheme

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#igcse #igcsechemistry #igcseanswers

[MrKhing]

**CORRECTION**
13:11 Balance equation: Zn + 2HCl ~ ZnCl2 + H2
22:22 Only 2 hydrogen atoms instead of 3 on the carbon at the most left (one carbon always join with only 4 single bonds)

😅😅😅

[inji_hatem]

Thank sooo MUCHHH Khing. This helped a lot. May Allah makes all of us succeed in tomorrow's two exams. Thanks 👍☺️

[imani_.k]

Success to everyone doing math and chem tomorrow 🙂

[howmenoworinwhooey]

Thank you so much i have my chemistry paper 4 external tommorow

[devshah]

Hello. For 2.b) fluorine isn't in the elements shown, so it can't be a correct answer.

[lovecocobear]

Thanks for sharing. FYI, for the question 5 c (ii), I think you've added one extra H to the first C.

[ibrahimmahbub]

Halo Teacher. Thank you for the video as my exam is tomorrow :)

[cnesnej]

this is awesome mr khing keep this content up. And i lost it at the PUSSYtive XDDDD

[alamohammad]

in question 2 part ci can I say because of their continuous random motion or you prefer saying constant random motion?

[gaggotgun]

sir i have a question, in question 4, h)ii), last question. Shouldnt you multiply the Mr by 2? Sinceit says 2NaOH and not NaOH.

[sergeing]

For question 5(f)(ii) can we write potassium dichromate(VI) also?

[joashroy]

this is really helpful for thanks a lot for the detailed explanation

[sergeing]

For question 3(a)(vi) can we say the number of collisions per unit time increases instead of the rate of collision increases?

[vikneshmohan]

U really helped me bro, luv from india ❤️❤️

[engysamad]

U are supper amazing. Can you do for 0625 physics p2 and 6 march 2022 please

[parveennaseeven]

Hi teacher. This paper really help for my paper on thursday p22. Thank you so much . Can you tell me where I can find 2021 march papers for other subjects please. It will reallly help me to get an idea. Thank you.

[alamohammad]

I didn't understand Q 4 g, can't zinc hydroxide also form because of the reaction with hydrogen?

[kevinluo]

5(c)(ii), why the structure of but-1-ene has 9 hydrogens?

[amirehmo]

@MrKhing in 28:15 can we draw the CH3 branch directly below the one of the carbons that is double bonded or does it have to be to the side

[aleenajin]

hi i wanted to ask if component 41 and 42 have the same type of questions ?or is one component more weighty then the other?