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- 1. Multiple ChoicePCl5 + ___ H2O → ___ HCl + H3PO44, 51, 63, 82,2
- 2. Multiple Choice__ Al + __ FeO → Al2O2 + __ Fe1, 1, 22,1,22, 2, 22,4,2
- 3. Multiple ChoiceMg + ___ HCl → MgCl2 + H21234
- 4. Multiple ChoiceWhich side of a chemical equation is the reactant side?Left (before the yields sign)Right (after the yields sign)
- 5. Multiple ChoiceWhich side of a chemical equation os the product side?Left (before the yields sign)Right (after the yields sign)
- 6. Multiple ChoiceWhich problem is balanced?PbO2 + 2H2SO2 + H20 --> H2SO42Na + 2H2O --> 2NaOH + H2
- 7. Multiple ChoiceBalance this equation.
_SnO2 +_H2-->_Sn +_H2O1,1,2,11,2,1,11,2,1,21,2,2,1 - 8. Multiple ChoiceBalance this equation
_Zn+_HCl-->_ZnCl2 +_H21,1,2,11,1,1,21,2,1,12,1,1,1 - 9. Multiple ChoiceBalance this equation.
_CF4 + _Br2 -- _CBr4 + _F22,1,2,11,2,2,11,2,1,22,2,2,2 - 10. Multiple ChoiceBalance this equation.
_CH4 + _O2 --> _CO2 + _H2O1,2,1,12,1,2,11,2,1,20,2,0,2 - 11. Multiple ChoiceWhat is the little number after an element in a chemical equation called.
Example: H2CoefficientSubscriptAtomEquation - 12. Multiple ChoiceWhat does the Law of Conservation of Mass state?Matter cannot be gained or lost in a chemical reaction.Matter can only be lost in a chemical reaction.Matter can only be gained in a chemical reaction.Matter can be gained and lost in a chemical reaction.
- Answer choicesTagsAnswer choicesTags