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- 1. Multiple ChoiceWhat is a reactant?a volatile chemicala dangerous substancethe substances you start with in a chemical reactionthe substances that are formed by a chemical reaction
- 2. Multiple ChoiceWhat is a product?a fancy word for make-upa volatile chemicalthe substances you start with in a chemical reactionthe substances that are formed by a chemical reaction
- 3. Multiple ChoiceThe number of atoms you begin with in a chemical reaction ...must be the same as the number of atoms you end withmust be an even numbercan be different to the number you finish withchanges depending on how much energy is formed
- 4. Multiple ChoiceWhat mathematical function do coefficients perform in a balanced equation?additionsubtractionmultiplicationdivision
- 5. Multiple Choice
Balance the following:
____ Fe + ____ Cl2 → ____ FeCl3
1,1,21,3,12,2,32,3,2 - 6. Multiple Choice
Balance the following:
____ Al + ____ O2 → ____ Al2O3
2,3,44,3,21,1,22,1,1 - 7. Multiple Choice
Balance the following:
____ H2SO4 + ____ NaNO2 → ____ HNO2 + ____ Na2SO4
1,1,2,11,2,2,12,3,3,24,3,2,1 - 8. Multiple Choice
Which type of reaction is:
2 NaBr + Ca(OH)2 → CaBr2 + 2 NaOH
SynthesisSingle DisplacementDouble DisplacementCombustion - 9. Multiple ChoiceWhich type of reaction is: C2H4 + 3 O2 → 2 CO2 + 2 H2OSynthesisDecompositionSingle DisplacementCombustion
- 10. Multiple Choice
Which type of reaction is:
2 H3AsO4 → As2O5 + 3 H2O
SynthesisDecompositionSingle DisplacementCombustion - Answer choicesTagsAnswer choicesTags