IGCSE CHEMISTRY SOLVED past paper 0620/62/f/m/22 - Feb/March 2022 Paper 62

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This video solves and explains Cambridge IGCSE Chemistry paper 62 February / March 2022.

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If you have any questions please leave them in the comments below and I will answer them all.

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Into: (00:00)
Question1: (00:10)
Calcium carbonate reacts with dilute hydrochloric acid. The products of the reaction are
aqueous calcium chloride, water and carbon dioxide gas.
A student investigated the rate of the reaction between calcium carbonate and dilute hydrochloric
acid using the apparatus shown.

Question2: (03:04)
A student investigated the temperature change when anhydrous lithium chloride dissolves in water.
The student did six experiments.

Question3: (08:04)
Solution A and solid B were analysed. Solution A was aqueous copper(II) bromide.
Tests were done on each substance.
Complete the expected observations.
tests on solution A
Solution A was divided into three approximately equal portions in three test-tubes.

Question4: (11:52)
Fizzy drinks contain carbon dioxide gas dissolved in a liquid. The carbon dioxide gas can be
removed from the fizzy drink by heating.
Plan an investigation to find the volume of carbon dioxide gas in 1dm3 of a fizzy drink.
Include in your answer how you will calculate the volume of carbon dioxide gas dissolved in 1dm3
of a fizzy drink.
You are provided with a small sample (less than 1dm3) of the fizzy drink and common laboratory
apparatus.
(1dm3 = 1000cm3)

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[maylight]

Hi Dr. Mona, your video was absolutely helpful! For the experiment, can I say that I'm heating the measuring cylinder using a thermostatically controlled water bath instead of the bunsen burner?
Thanks

[meology]

thank you DR. Mona Sief this helped me alot

[amateurchemistry]

thnak u for being fast unlike most ppl

[mohammadtalha]

hi ms, had a quick q here... in the apparatus change q cant we mention pipette as the volume is fixed at 30cm3 so we can directly take a 30cm3 pipette cant we? and cant we use a balance as well to measure the mass of the lithium crystals?

[Sakuraworld_]

IT COULD BE CALCIUM HYDROXIDE IN 3 [e]

[n.hossain]

Thank you so much for the video. Is it ok if I mention a ph value around 12 for calcium hydroxide, for example, 11?

[its_adamtarek]

why don't we divide the volume of CO2 also to make it dm3

[bahahytham]

Why is the solid in the question calcium oxide not pure calcium

[epicstuff]

For the last question, how will we find out the formula for the volume of gas? Is it a general formula or do we have to make it ?

[yarawehbeh]

miss can you please upload the marking scheme of this paper?

[saihamkabir]

can i get the link of the question paper please