21259639
Descrição
Quiz por Isabel Ffranciso, atualizado more than 1 year ago
|
Criado por Isabel Ffranciso
mais de 4 anos atrás
|
|
Questão 1
Questão
Chemical changes are
Responda
-
non-reversible
-
reversible
-
sometimes reversible
Questão 2
Questão
What is always formed from a chemical change?
Responda
-
Light
-
Anew substance
-
A colour change
Questão 3
Questão
Which of these is not an example of a chemical change?
Responda
-
An explosion
-
Rusting
-
Freezing
Questão 4
Questão
If a piece of wood breaks, what type of change is it?
Responda
-
Chemical change
-
Physical change
-
Both of them
Questão 5
Questão
Which of these is a physical change?
Responda
-
Cooking eggs
-
Burning wood
-
Water turns into ice
Questão 6
Questão
Which of these chemical changes occur s in the absence of oxygen?
Responda
-
Oxidation
-
Fermentation
-
Combustion
Questão 7
Questão
Which of these chemical changes transforms the substances into rust?
Responda
-
Fermentation
-
Combustion
-
Oxidation
Questão 8
Questão
What is needed, as well as oxygen, in the process of combustion?
Responda
-
Bacteria
-
Fuel
-
None of them
Questão 9
Questão
Circle the foods that are made by fermentation.
Responda
-
Salad and fried chiken
-
Wine and cheese
-
Popcorn and coke
Questão 10
Questão
Combustion produces:
Responda
-
Light and heat
-
Sound
-
Electricity
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.