Snapquiz - Rate of Reaction

This is the Snapquiz on Rate of Reaction. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. When calculating the rate of change in chemistry, which variable could you be observing change?

Amount of fizzing.
Time taken.
Colour.
Amount of reactant used up.


Question 2. When calculating the rate of change in chemistry, which variable could you be observing change?

Odour.
Temperature of solution.
Time taken.
Amount of product formed.


Question 3. 120g of magnesium is added to a 0.5 molar solution of sulphuric acid. After 15 minutes it is still reacting and it has produced 60cm3 of hydrogen gas. What is its rate of reaction?

8g per minute.
0.5cm3 per gram.
4cm3 per minute.
2g per cm3.


Question 4. When calculating the rate of change in chemistry, which variable will you usually be dividing by?

Time.
Volume.
Mass.
Concentration.


Question 5. Which is the lowest rate of reaction?

1.08kg per hour.
0.3g per second.
20g per minute.
1000g per hour


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