WorksheetsN5 Chemistry in Society REVISION
Total questions: 19
Worksheet time: 20mins
Which metal reacts fastest with Oxygen?
Copper
Zinc
Magnesium
Gold
Name a product of a metal reacting with acid.
(a)
What is the IONIC formula for hydrochloric acid?
HCl
H2Cl
H+Cl−
2H+Cl−
What direction is the electricity flow?
Zinc to copper
Copper to Zinc
What type of reaction is this? Al → Al3+ + 3e−
(a)
Calculate the percentage by mass of nitrogen in Ammonium nitrate NH4NO3
(a)
What type of reaction is this?
(a)
What fraction of a sample of uranium-238 would be left after 22.5 billion years? (Half-life of uranium-238 is 4.5 billion years)
(a)
What is element X?
(a)
What type of radiation has the highest penetrating power?
alpha
beta
gamma
Give a use for radioisotopes
Name the elements that a fertiliser needs
(a)
The conditions required for the Haber Process to occur include
Low pressure
Iron catalyst
High pH
conditions for Oswaal process include
Low pressure
Low temperature
Platinum catalyst
What is the main product of the Oswald Process?
Ammonium
Nitrogen dioxide
Nitric Acid
What is a chemical test for the presence of copper in a compound?
(a)
What type of reaction is taking place
(a)
What is the monomer that is used to make Polypropylene?
(a)
This is the repeating unit of Polyethylene terephthalate (PET) what type of polymerization is used to make this polymer?
Addition
Condensation
