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WorksheetsChemical Equations & Chemical Equations
Total questions: 15
Worksheet time: 8mins
in the chemical equation, what is the left side called?
reactants
products
ingredients
chemical formulas
Is it balanced ?
Yes
No
count the atoms in the equation
2 Carbon, 2 Oxygen, 2 hydrogen
2 Calcium, 2 Oxygen, 2 Hydrogen
1 Calcium, 2 Oxygen, 2 Hydrogen
1 Calcium, 1 Oxygen, 2 Hydrogen
Which can be broken apart in a chemical reaction?
Noble gases
Molecules and compounds
only molecules
only compounds
what is the number two called?
Product
Reactant
Coefficient
Subscript
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
Reactants
Products
Yields
Chemical Equation
Is this an element or compound?
H2O
element
compound
i dont know
is this balanced?
Al + O2 → 2Al2O3
Yes
No
i think ?
how many E atoms are there in this equation?
2E2Fg3Hi4
4
2
1
I cant count
how many oxygen atoms are in the equation?
4Ca(OH)2
4
I still cant count
8
1
is the equation balanced?
2CH3OH + 3O2 --> 2CO2 + 4H2O
no
yes
i dont know
Which of these is not not a chemical reaction?
glass breaking
melting ice cube
Photosynthesis
condensation
a chemical reaction or process that releases heat.
Endothermic
Exothermic
i still dont know
which one of these is showing a chemical reaction taking place?
bubbles are reacting in the tube
reactants are not combining
no forming products
the color is not changing
