A level chemistry paper 2

A ketone - correct answearsFehlings solution stays blue when warmed with... Activation energy - correct answearsThe minimum amount of energy a particle requires for a reaction to take place Aldehyde not ketone - correct answearsProduces a silver mirror when warmed with tolled reagent Alkanes - correct answearsSaturated hydrocarbons Alkenes - correct answearsUnsaturated hydrocarbons An aldehyde - correct answearsTurns fehlings solution from blue to red when warmed with... Bent/ v shaped - correct answears2 lone pairs, 2 bonding pairs, 104.5 bond angle Biofuel - correct answearsFuel that's made from biological material that's recently died Calcium oxide or carbonate - correct answearsUsed to neutralise sulphur dioxide in flue gases Calcium Sulfate - correct answearsThe salt made when calcium carbonate/oxide reacts with sulphur dioxide Carbonate - correct answearsProduce CO2 when hydrochloric acid added Catalyst - correct answearsA substance that increases the rate reaction without being chemically changed or used up in the process Catalyst for ethanol steam hydration production - correct answearsPhosphoric acid catalys