science chapter 8
Authored by wy s
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9th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these doesn't speed the rate of reaction
Concentration increase
Grain size decrease
Temperature increase
Surface area increase
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Doing test 3 times makes it reliable, true or false?
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to measure rate of reaction?
Timer and balance
Remove anomalous result
Observing the test
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are some examples of rate of reaction?
How long it takes for colour to change
How much products produced in given time
How long it takes for fizzing to stop
How long it takes for products to be used up
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which describes anomalous result?
The unexpected result
The result that doesn't fit in the pattern
The result that fits in the pattern
The unusual result
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grain size increase, rate of reaction increase. True or false?
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temperature increase, rate of reaction increase
Because more particles are available to react with each other
Particles of reactant collide with each other more frequently
More effective collision
More product gas is produced in a shorter time
True
False
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