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- 1. Multiple-choice30 seconds1 ptWhat is the rate of reaction?How fast a reaction isHow big a reaction isHow loud a reaction isHow much gas a reaction produces
- 2. Multiple-choice30 seconds1 pt
The rate of a reaction is how _____________ a reaction occurs.
Quickly
Easily
Unusually
Differently
- 3. Multiple-choice1 minute1 ptRate of chemical reaction meansamount of product formedspeed of reactionconcentration of reacting particlescombining reactants with products
- 4. Multiple-choice30 seconds1 pt
How is this equipment being used to measure the rate of reaction?
The gas syringe measures how much gas is produced in a certain time
The reaction mixture will increase in volume in a certain time
- 5. Multiple-choice30 seconds1 pt
How can rate of reaction be measured in reactions?
Measure mass lost when gas produced.
Measure color change or formation of a solid.
Measure volume of gas produced.
Measure time taken for liquid to disappear.
- 6. Multiple-choice30 seconds1 pt
Look at the graph. At what time does the reaction finish?
4 minutes
6 minutes
5 minutes
7 minutes
- 7. Multiple-choice30 seconds1 pt
The steeper the slope is the ... the reaction.
faster
slower
- 8. Multiple-choice30 seconds1 pt
This method can use to collect gas produced ...
using a gas syringe system
downwards water displacement
using digital balance
- 9. Multiple-choice30 seconds1 pt
Identify where the reaction has finished
A
B
C
D
- 10. Multiple-choice30 seconds1 pt
What is the statement below that correct about rate of reaction?
amount of product that has been used up in a given time
amount of product that has been made in a given time
amount of reactant that has been used up in a given time
amount of remaining reactant in a given time
- 11. Multiple-choice30 seconds1 pt
Mr. Awal is reacting magnesium ribbon and hydrochloric acid. What is the gas produced?
hydrogen
oxygen
nitrogen
carbon dioxide
- 12. Multiple-choice30 seconds1 pt
This apparatus can be used to measure the rate of reaction that producing ...
solid substance
liquid
gas
aqueous solution
- 13. Multiple-choice30 seconds1 pt
Calcium carbonate (marble chips) is reacted with hydrochloric acid on the balance. If the cotton wool is removed, what is the name of gas that escaped from the glass?
hydrogen
oxygen
nitrogen
carbon dioxide
- 14. Multiple-choice30 seconds1 pt
What is the rate of reaction at 3 minutes?
10 gram/minute
20 gram/minute
30 gram/minute
40 gram/minute
- 15. Multiple-choice30 seconds1 pt
At the beginning of reaction, the curve of graph is steep. It means that the reaction is ...
fast
slow
stopped
- 16. Multiple-choice30 seconds1 pt
When the curve of graph is flat, so the reaction is ...
fast
slow
stopped
