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WorksheetsReading a Chemical Equation for Info
Total questions: 10
Worksheet time: 5mins
A chemical equation is meant to show a _________.
no change
physical change
chemical change
What is/are the reactant(s) in this equation?
S
O2
SO2
How many S atoms are on the product side?
1
2
3
4
Does this equation show conservation of oxygen atoms?
yes
no
A reaction is a physical change.
TRUE
FALSE
2 Na (s) + Cl2 (g) --> 2 NaCl (s)
How many Cl2 particles are shown in this equation?
1
2
3
4
2 Na (s) + Cl2 (g) --> 2 NaCl (s)
This equation shows 2 Cl atoms on the product side.
TRUE
FALSE
CaCO3 (s) + energy --> CaO (s) + CO2 (g).
This equation is exothermic.
TRUE
FALSE
3 Mg (s) + 2 CrCl3 (aq) - -> 3 MgCl2 (aq) + 2 Cr (s)
How many Cl atoms are on the product side?
2
4
6
8
3 Mg (s) + 2 CrCl3 (aq) --> 3 MgCl2 (aq) + 2 Cr (s) How many Mg atoms are on the product side?
1
2
3
4
