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WorksheetsUnit 4 Concept 1 and 2 Quizizz
Total questions: 20
Worksheet time: 10mins
Which type of reaction is:
2 H3AsO4 → As2O5 + 3 H2O
Single Replacement
Single Replacement
Which type of reaction is:
2 NH3 + H2SO4 → (NH4)2SO4
Single Replacement
Double Replacement
Which type of reaction is:
2 K + MgBr2 → 2 KBr + Mg
Single Replacement
Double Replacement
The two sides of a chemical equation are called?
Reactants (left) and Products (right)
Ingredients (left) and Product (right)
Cations and Anions
Reactants (left) and Results (right)
Al + O2 → 2Al2O3
Which number is needed to balance the following equation?
2K + MgBr2 ⟶ −−−KBr + Mg
3
1
2
4
Which number is needed to balance the following equation?
2Na + 2H2O ⟶ 2NaOH + −−−H2
2
1
3
4
What is the name of the insoluble solid that forms as a result of combining the ions of two aqueous compounds?
Powder
Water
Gas
Precipitate
What principle states that the total mass of the reactants before the reaction equals the total mass of the products after the reaction?
Principle of Mass
Newton’s Laws of Motion
Law of Conservation of Mass
None of the above
In a combustion reaction, a carbon compound must react with __________ to produce carbon dioxide and water.
Hydrogen
Oxygen
Helium
Any metal
H2 + O2 -> H2O
_2_H2 + _1_O2 -> _2_H2O
N2 +3 H2 --> 2NH3
Fill in the blank. (Copper has a charge of 2+)
Cu+ AgNO3 → Ag + _____
Cu(NO3)2
CuNO3
CuAg
Cu
Predict the products of this synthesis reaction: H2 + Cl2 →
HCl
H2Cl2
H2Cl
HCl2
Complete the balanced equation for this Double Replacement reaction.
3 NaOH + Fe(NO3)3 →
NaFe + OH(NO3)3
NaNO3 + Fe(OH)3
3 NaNO3 + Fe(OH)3
3 NaFe + 3 (OH)NO3
Zn + 2HCl --> ZnCl2 + H2
