Chemical Reactions and Properties (REACTION OF METALS WITH WATER
Authored by Jay Winston
Science
8th Grade
Used 4+ times
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens in a chemical reaction?
The substance stays the same
A new substance is formed
It only changes shape
The substance disappears
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is a sign of a chemical reaction?
Change in size
Formation of gas or bubbles
Freezing of water
Breaking into pieces
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do we call the substances that react in a chemical reaction?
Reactants
Products
Elements
Metals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rusting is an example of a chemical reaction. What do iron and oxygen form when they react?
Silver
Water
Rust
Sand
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction happens when a candle burns?
Physical change
Melting reaction
Chemical reaction
Freezing reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the periodic table show?
A list of all known elements
All types of mixtures
A collection of metals only
A group of chemicals for experiments
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is known as the lightest?
Oxygen
Carbon
Hydrogen
Iron
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