Subsection 1.2. Diffusion for Chemistry, IGCSE - revisedeck

1.2. Diffusion

A subsection of Chemistry, 0620, through 1. States of matter

Listing 10 of 34 questions

Brownian motion and the diffusion of gases provide evidence for the particulate nature of matter. Which row identifies an example of Brownian motion and how molecular mass determines the rate of diffusion of gas molecules?

0620_w21_qp_23

MCQ

2021

Paper 2, Variant 3

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Which statements about the rate of diffusion of the gases ammonia, carbon monoxide, nitrogen and oxygen are correct?

0620_w23_qp_23

MCQ

2023

Paper 2, Variant 3

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Samples of four gases are released in a room at the same time. The gases are carbon dioxide, CO2, hydrogen chloride, HCl, hydrogen sulfide, H2S, and nitrogen dioxide, NO2. Which gas diffuses fastest?

0620_w19_qp_21

MCQ

2019

Paper 2, Variant 1

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Which gas has the lowest rate of diffusion at room temperature and pressure?

0620_w24_qp_21

MCQ

2024

Paper 2, Variant 1

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Questions Discovered

34