WorksheetsFire!
Total questions: 14
Worksheet time: 14mins
Name
Class
Date
1.
True or false, bubbling is a sign of a chemical reaction?
a)
True
b)
False
2.
Another term for burning is
a)
Fire triangle
b)
Magnesium oxide
c)
Combustion
d)
Bustion
3.
8.7: Combustion is when a __________ reacts with oxygen
a)
petrol
b)
fuel
c)
fire triangle
d)
carbon dioxide
4.
Which of these isn't in the fire triangle?
a)
Fuel
b)
Heat
c)
Oxygen
d)
Carbon dioxide
5.
What part of the fire triangle do you remove by spraying water onto a fire?
a)
Heat
b)
Oxygen
c)
Fuel
6.
The word equation for combustion is: fuel + oxygen > water + ________ __________
a)
Carbon dioxide
b)
Limewater
7.
What did the limewater detect?
a)
Carbon dioxide
b)
Water
c)
Heat
d)
Smoke
8.
What are the types of combustion?
a)
Complete & incomplete
b)
Incomplete & inexact
c)
Impossible & complete
d)
Computer & incompete
9.
In our experiment, what formed in the U-shaped tube?
a)
Carbon dioxide
b)
Water
10.
Complete combustion is when there is plenty of oxygen to react with.
a)
True
b)
False
11.
Incomplete combustion is when there is a limited amount of oxygen.
a)
True
b)
False
12.
The word equation for complete combustion is: fuel + oxygen > water + _____ ______
a)
Carbon dioxide
b)
Lime water
c)
Magnesium oxide
d)
Magnesium
13.
What does incomplete combustion produce that complete combustion doesn't?
a)
Carbon monoxide
b)
Water
14.
What is carbon monoxide?
a)
A toxic gas
b)
A large solid
100 %
