Studied by 2 people
sulphuric acid
Concentrated ________ is corrosive and a powerful oxidising agent.
Oleum
________ is added to water to form concentrated sulfuric acid:
Sulfites
________ are often added to foods and these release sulfur dioxide in acidic conditions.
dilute solution
In ________ it is used as a catalyst in many organic reactions and to clean the surface of metals.
extra energy
It is not worth spending the ________ or money required to produce high pressures.
Sulfur dioxide
________ is used as a bleach in the manufacture of wood pulp for paper, and as a preservative for foods and drinks by killing bacteria.
sulfuric acid
Concentrated ________ is used in car batteries, making fertilisers, soaps and detergents.
acid drain cleaners
It is also used to make ________ and in the production of paints and dyes.
position of equilibrium
The reaction is exothermic, so increasing the temperature shifts the ________ to the left in the direction of the reactants.
Sulfur
________ is found in its elemental state underground in the USA, Mexico and Poland.
rubber tyres
It is also used extensively in making ________ more flexible (vulcanising), where the rubber is heated with sulfur.
sulphuric acid
Concentrated ________ is also a very powerful dehydrating agent and is very good at removing water from other substances.
sulfur dioxide
A higher pressure causes the ________ to liquefy.
Sulfuric acid
________ is a strong dibasic acid as two of its hydrogen atoms can be replaced by a metal.
Sulfur dioxide
________ can be made by burning sulphur in air.
Pressure
2 atm
