Chemical reactions practice quiz
Chemical Reactions Practice Quiz
Test your knowledge of chemical reactions with this fun and educational quiz! Answer questions ranging from the basics of atomic structure to the characteristics of different types of chemical reactions.
- 10 multiple choice questions
- Learn about elements, compounds, and chemical equations
- Perfect for students and enthusiasts alike
How do we know a chemical reaction is taking place?
We feel a change in temperature
We see a change in colour
We can smell an odour
We see a formation of a solid
All answers are correct
What is the atomic number of an element?
How heavy the element is
How many protons are in the nucleus
How many electrons the element has
What age the element is
What is an exothermic reaction?
A reaction where energy is released
A reaction where energy is absorbed
A reaction that smells good
A chemical reaction that changes colour
Electrons have a ________ charge
Positive
Negative
Neutral
Elements are made of how many types of atom?
3
2
1
4
Read the equation (Fe + O -----> FeO), What is the product?
Fe
O
FeO
All answers are correct
Balance this chemical equation: Ca2 + N ----> CaN2
Ca2 + 2N ----> CaN2
Ca2 + 4N ---> 2CaN2
4Ca + N ---->4CaN2
Ca + N ---> CaN2
Which of these is not an example of a chemical reaction?
Cooking an egg
Lighting a fire
Photosynthesis
An ice cube melting
1080_SS_periodic_table_0
What is the chemical symbol for Carbon?He
Ca
C
F
Which of these is a compound?
N
He
Ca
H2O
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