Sulfur

Sulfur is an element found in group

• 4

• 5

• 6

• 7

This structure represent

• Rhombic sulfur

• Monoclinic sulfur

• Both

This/these are observed when sulfur burns

• blue flame

• pungent gas

• turns from yellow to orange

• effervescence

Which of these chemicals can be reacted to produce hydrogen sulfide gas

• sulfur

• iron (II) sulfide

• Hydrogen

• Hydrochloric acid

Which of these chemicals can be reacted to produce sulfur doxide gas

• sodium sulfite

• sodium sulfate

• sulfur

• Hydrochloric acid

Heating is not required to produce sulfur dioxide in the lab

• True

• False

Which of the following proves the presence of sulfur dioxide

• Turns potassium dichromate from orange to green

• Turns damp litmus paper red

• Pungent gas

• Turns potassium permanganate from purple to colourless

The inverted funnel method is used to prepare

• sulfur dioxide

• sulfurous acid

• sulfur trioxide

When sulfur dioxide is reacted with iron (III ) sulfate, it acts as a

• oxidizing agent

• reducing agent

The conditions for the contact process include

• 450^oC

• 200 atm

• vanadium (V) oxide

• finely divided iron