WorksheetsCHEM 101- Pretest
Total questions: 10
Worksheet time: 5mins
Which molecule is a dipole?
Which is the weakest type of intermolecular force?
Dipole-dipole
H-bonding
Ion-dipole
London dispersion
These are forces that hold within a molecule.
intramolecular forces
intermolecular forces
ion-dipole interaction
dipole-dipole interaction
What happens to the rate of reaction when 5% HCl is used instead of 15% HCl to react to Calcium Carbonate (CaCO3)?
It becomes faster.
It becomes slower.
It stays the same.
No reaction will take place.
The substance that changes the rate of reaction but is neither changed nor consumed in the reaction.
reactant
product
reagent
catalyst
How many grams does 0.027 mol of copper weigh? (Molar mass Cu = 63.55 g/mol)
0.00042 g
1.8 g
1.7 g
2,400 g
If you calculate the maximum amount of product that could be obtained in a chemical reaction, you are calculating the ______________.
actual yield
theoretical yield
percent yield
experimental yield
Which of the following pairs show the most common bleaching agents?
NaOCl & H20
NaCl & H2O2
NaOCl & H2O2
NaOH & H2O
Foundation is used to give even and flawless look of the face. Which is NOT an ingredient in making foundations?
talc
moisturizer
surfactant
colorant
What is the reactant that is not totally consumed in the reaction?
actual
excess
experimental
limiting
