Sulfur

Sulfur is a common starting material for the Contact process.Name a source of sulfur.

• fossil fuels

• geysers

• volcanoes

• artificial creation

one of the metal​ ​ores that are the source of sulphur...

• Copper​ ​pyrites​ ​(CuFeS​2)​ ​

• Bauxite (Al₂O₃2H₂O)

• Chile saltpeter (NaNO₃₎

• Cryolite (Na₃AlF₆)

Uses​ ​of​ ​sulfuric​ ​acid (select 2)

• In​ ​petroleum​ ​refining​ ​to​ ​wash​ ​impurities​ ​out​ ​of​ ​gasoline​ ​and​ ​other refinery​ ​products

• used in mass production of automotive products

• production of cast iron

• Production​ ​of​ ​fertilisers

Which are the properties of Sulfuric​ ​acid​ (select 2)

• dark in colour

• good​ ​electrolyte

• weak electricity conductor

• corrosive​

Which compound is not a fertiliser?

• ammonium sulfate, (NH4)2SO4

• calcium hydroxide, Ca(OH)2

• potassium chloride, KCl

• urea, CO(NH2)2

Acid rain is formed when sulfur dioxide and oxides of nitrogen dissolve in rain water. Which problem is not caused by acid rain?

• breathing difficulties

• dying trees

• erosion of statues

• lowered pH of lakes

Tags

NGSS.HS-LS2-6

Statement 1: The burning of fossil fuels containing sulfur is a cause of ‘acid rain’.

Statement 2: Acid rain contains sulfur dioxide which is formed when sulfur compounds burn in the air.

Which of the following is true?

• Statement 1 is correct but statement 2 is incorrect.

• Both statements are correct, but statement 2 does not explain statement 1.

• Both statements are correct and statement 2 explains statement 1.

• Statement 2 is correct but statement 1 is incorrect.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-5

​The​ ​uses​ ​of​ ​sulfur​ ​dioxide... (select 2)

• rust prevention agent

• A​ ​bleach​ ​in​ ​the​ ​manufacture​ ​of​ ​wood​ ​pulp​ ​for​ ​paper

• A​ ​food​ ​preservative​ ​(by​ ​killing​ ​bacteria)

• Used in mass production of plastic

What is the depth where sulphur is found underground?

• 100m

• 180m

• 200m

• 230m

Where can sulphur be found?

• Sea

• Rivers

• Rainforest

• Hot springs