WorksheetsLecture 2 UPI
Total questions: 10
Worksheet time: 3mins
A formula with the lowest whole number ratio of elements in a compound is called
Molecular Formula
Chemical Formula
Empirical Formula
A formula with the actual whole number ratio of elements in a compound is called
Molecular Formula
Chemical Formula
Empirical Formula
The function of anhydrous calcium chloride is
to react with copper
to dry the hydrogen gas
to remove air
to remove hydrogen gas
This experiment can also be used to determine the empirical formulae of other oxides except
SnO
Mg
PbO
What does the property 'Conductivity' mean in relation to metals?
Ability to conduct heat
Ability to conduct Electricity
Ability to insulate heat
Ability to conduct /insulate heat, electricity, light and sound.
Which metal is commonly used for Electrical wires, heating pipes and pots?
Brass
Bronze
zinc
Copper
After building a paper airplane, you throw it and it immediately crashes. You realize that there is a major flaw in your design. What should be the next step?
destroy the old airplane and start from scratch
change the design and test it again
use a different color paper
