Physics, 21.08.2021 14:00 mercedes73

5 The apparatus shown below was set up. from cloth stopper
white cloud
glass tube

cotton wool soaked
in concentrated
hydrochloric acid
cotton wool soaked
in concentrated
ammonia solution
Give explanations for the following observations.

a The formation of a white cloud.

b It took a few minutes before the white cloud
formed.

c The white cloud formed further from the cotton
wool soaked in ammonia.

d Cooling the concentrated ammonia andhydrochloric acid before carrying out the
experiment increased the time taken for the
white cloud to form.

Answers: 1

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5 The apparatus shown below was set up. from cloth stopper
white cloud
glass tube

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