WorksheetsApplied Chemistry Final Exam
Total questions: 30
Worksheet time: 27mins
The capacity to do work is called
Energy
Heat
Temperature
Energy that flows from a hotter to a colder object
Energy
Heat
Temperature
The direction of heat flow is determined by
Energy
Heat
Temperature
SI unit of heat is
(a)
SI unit of temperature is
(a)
The steps of creating electricity from coal in a power plant are
Combustion
Boil water in a closed, high pressure system
Turn turbine to create electricity
Fill in the blank
(a)
What cause the power plant efficiency become low?
No electric power plant can completely convert one
type of energy into electricity
Some of the energy is transferred into “useless” heat
Random, thermal energy is transformed into ordered work
What factor is influenced the efficiency of power plant?
Energy
Heat
Temperature
Are the combustible substances can be called as fuel?
Yes
No
Fuel is a combustible substance that can be used to produce ..... at a reasonable cost
Energy
Heat
Temperature
Type of fuels based on their physical state are.
Solid fuels
Natural fuels
Liquid fuels
Processed fuels
Gaseous fuels
Type of fuels based on their occurence are.....
Solid fuels
Natural fuels
Liquid fuels
Processed fuels
Gaseous fuels
Naturally formed fuels from the dead remains of living organisms are
(a)
Coal was formed over millions of years from
dead plants that got buried inside the earth
dead seas animals, again over millions of years
process of fractional distillation
Petroleum and natural gas was formed over millions of years from
dead plants that got buried inside the earth
dead seas animals, again over millions of years
process of fractional distillation
These are the characteristics of good fuel
Higher calorific value
Moderate ignition temperature
Moderate pyrometric effect
Easy to transport
Moderate velocity combustion
Over 83% of each barrel is used for
(a)
Macromolecules are the large molecules that make up cells and carry out cellular functions; made up mainly of carbon and hydrogen atoms, including
carbohydrates
lipids
amino acids
nucleic acids
proteins
Monomer ofcarbohydrates is
(a)
Here are the type of monosaccharides
Glucose
Sucrose
Fructose
Lactose
Galactose
Here are the type of disaccharides
Glucose
Sucrose
Fructose
Lactose
Galactose
Monomer of lipids is
(a)
Monomer of proteins is
(a)
Monomer of nucleic acids is
(a)
What is the function of lipids
cell membrane, energy storage
short-term energy, structure
enzymes, structure, movement, transport
controls cellular activities
What is the function of carbohydrates
cell membrane, energy storage
short-term energy, structure
enzymes, structure, movement, transport
controls cellular activities
What is the function of proteins
cell membrane, energy storage
short-term energy, structure
enzymes, structure, movement, transport
controls cellular activities
What is the function of nucleic acids
cell membrane, energy storage
short-term energy, structure
enzymes, structure, movement, transport
controls cellular activities
Natural biodegradable polymer which is accumulated by microorganisms is called
(a)
