Explain how sulphur is extracted from Describe what happens when sulphur is
heated (i) in the absence of air, (i) in air
and the product is dissolved in water. Give
the equations of all reactions involved

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Can someone me with questions 12 and 13 plz.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as