21259639
Description
Quiz by Isabel Ffranciso, updated more than 1 year ago
|
Created by Isabel Ffranciso
over 4 years ago
|
|
Question 1
Question
Chemical changes are
Answer
-
non-reversible
-
reversible
-
sometimes reversible
Question 2
Question
What is always formed from a chemical change?
Answer
-
Light
-
Anew substance
-
A colour change
Question 3
Question
Which of these is not an example of a chemical change?
Answer
-
An explosion
-
Rusting
-
Freezing
Question 4
Question
If a piece of wood breaks, what type of change is it?
Answer
-
Chemical change
-
Physical change
-
Both of them
Question 5
Question
Which of these is a physical change?
Answer
-
Cooking eggs
-
Burning wood
-
Water turns into ice
Question 6
Question
Which of these chemical changes occur s in the absence of oxygen?
Answer
-
Oxidation
-
Fermentation
-
Combustion
Question 7
Question
Which of these chemical changes transforms the substances into rust?
Answer
-
Fermentation
-
Combustion
-
Oxidation
Question 8
Question
What is needed, as well as oxygen, in the process of combustion?
Answer
-
Bacteria
-
Fuel
-
None of them
Question 9
Question
Circle the foods that are made by fermentation.
Answer
-
Salad and fried chiken
-
Wine and cheese
-
Popcorn and coke
Question 10
Question
Combustion produces:
Answer
-
Light and heat
-
Sound
-
Electricity
Want to create your own Quizzes for free with GoConqr? Learn more.