Trimester 1: Balancing Chemical Equations Question Preview (ID: 30477)


Practice. TEACHERS: click here for quick copy question ID numbers.

What coefficients are needed to balance the following equation: __H2 + __O2 = __H2O
a) 1, 1, 1
b) 1, 2, 1
c) 2, 1, 2
d) 2, 2, 2

How many atoms does the compound, K2MnO7 contain?
a) 1
b) 10
c) 11
d) 14

How many reactants exists in the following equation?: NH3 + HCl = NH4Cl
a) 2
b) 3
c) 6
d) 11

How many products does the reaction, NH3 + HCL = NH4Cl, contain?
a) 1
b) 3
c) 6
d) 7

Which of the following compounds contains the MOST atoms?
a) K2MnO7
b) C4H4F4Cl2
c) Hg2(NO3)2
d) Al2(SO4)3

Chemical equations illustrate
a) Law of Conservation of Matter
b) Law of Conservation of Energy
c) chemical reactions
d) all of the above

Which of the following equations is correctly balanced?
a) 2Na + O2 = 2Na2O
b) AsCl3 + 3H2O = 3HCl + As(OH)3
c) Sn + 2KOH = K2SnO2 + 2H2
d) H2 + O2 = H2O

What coefficients will balance the following equation, __AsCl3 + __H2O = __HCl + __As(OH)3?
a) 1, 3, 1, 3
b) 3, 1, 3, 1
c) 1, 3, 3, 1
d) 3, 3, 1, 1

What coefficients will balance the following equation: __Na + __O2 = __Na2O
a) 1, 2, 4
b) 4, 1, 2
c) 1, 4, 2
d) none of the above

An equation is balanced when there is equal
a) number of protons for the reactants and products of a reaction
b) types and numbers of atoms for the reactants and products of a reaction
c) numbers of reactants and products for a reaction
d) all of the above

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 30477 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links