Chemistry – Sample Multiple Choice Quiz
Chemistry – Sample Multiple Choice Quiz
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Question 1 of 5
1. Question
1 point(s)Which of the following reactions is considered reversible?
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Question 2 of 5
2. Question
1 point(s)A student recorded some observations in a first-hand investigation:
(i) A chilled bottle of soft drink was opened and left on a side bench.
(ii) Initially there was a rapid effervescence of bubbles.
(iii) After a lengthy period of time the bubbling ceased.Why did the bubbling cease after a period of time?
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Question 3 of 5
3. Question
1 point(s)A student measured the mass of an unopened bottle of soda water and recorded its mass to be
375.00 g. The student then opened the bottle and left it standing for 2 hours on a table top. The student then reweighed the bottle and recorded the new mass to be 372.25 g. Assuming the mass loss was due to decarbonating of the soft drink bottle, what would be the volume of carbon dioxide gas released by the soft drink at 25°C and 100 kPa? -
Question 4 of 5
4. Question
1 point(s)The following equilibrium exists in a can of carbonated drink.
CO2(g)+H2O(l) ⇌ H2CO3(aq)
Which of the following conditions will cause the drink to go ‘flat’?
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Question 5 of 5
5. Question
1 point(s)Which prediction can be made from using Le Chatelier’s Principle?