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WorksheetsEquations Quiz
Total questions: 20
Worksheet time: 14mins
What name is given to reactants followed by an arrow, followed by products; with all of the equation written as full words?
What is made in a reation?
one compound
products
reactants
mixture
What is used up in a reation?
two substances
products
reactants
mixture
What is the missing word in the equation below?
calcium + oxygen --> calcium _________
oxyate
oxide
oxygen
dioxide
What is the missing word in the equation below?
carbon + oxygen --> carbon _________
oxyate
oxide
oxygen
dioxide
What is the missing word in the equation below?
___________ + water --> lithium hydroxide+ hydrogen
Lithium
Hydrogen
Oxygen
Potassium
What is the missing word in the equation below?
iron sulfate + _________ --> aluminium sulfate + iron
Lithium
sulfur
aluminium
iron
What is the missing word in the equation below?
copper oxide + _________ --> carbon dioxide + copper
copper
oxygen
lead
carbon
What is the missing word in the equation below?
Calcium carbonate --> __________ oxide + carbon dioxide
calcium
oxygen
carbon
copper
What is the missing word in the equation below?
zinc carbonate --> zinc oxide + _____________________
carbon
oxygen
carbon monoxide
carbon dioxide
Which is the correct symbol in a chemical reaction to show something new has been made?
equals =
forwards arrow -->
backwards arrow <--
approximate sign ~
What symbol is used in a word equation to represent 'and'?
-
&
+
x
In a word equation, what should be used when writing the reactants and products?
Words only
A mixture of words and chemical symbols
Chemical symbols only
In a symbol equation, what should be used when writing the reactants and products?
Words only
A mixture of words and chemical symbols
Chemical symbols only
In this chemical reaction zinc is a...
Product
Reactant
Neither
The products of a reaction have the same ________as the reactants.
molecule
atoms
subscripts
coefficients
