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WorksheetsFundamentals of Chemistry
Total questions: 10
Worksheet time: 5mins
What is atomic number?
Number of proton
Number of electron
Number of neutron
Number of proton and electron
The most abundant element occurring in the oceans is :
Hydrogen
Oxygen
Nitrogen
Silicon
Industrial Chemistry deals with the manufacturing of compounds
In the laboratory
On microscale
on commercial scale
On economic scale
Which of the following element is found in most abundance in the Earth's crust?
Oxygen
Aluminum
Silicon
Iron
Which of the following substances can be separated into by physical means?
Element
Mixture
Compound
Radical
Number of protons in the nucleus of an atom is called:
Mass number
Atomic number
Mass unit
Electron number
Which one is a physical property?
Smell
Taste
Hardness
All of the above
Nuclear Chemistry has application in ?
Medical treatment
Ecology
Metallurgy
agriculture
Elements may be:
solids
Liquids
Gas
All of the above
Example of heterogenous mixture is:
Air
Gasoline
Ice cream
Soil
