Biogas question on B2 or B3 AQA

  • 2 votes

Does anyone know that answer to that question on biogas that asked about why biogas was bubbled through the generator?

Posted Thu 19th May, 2011 @ 22:01 by M

5 Answers

  • 3 votes

Because if they used air it wouldn't be anaerobic anymore as oxygen would be introduced. <3

Answered Fri 20th May, 2011 @ 18:53 by Megan
  • 1 vote

hey, it was on the B3, i guess your doing triple science aswell.. i found B3 harder than B2 . but i forgot what answer i put to the question, ask your science teacher!

Answered Thu 19th May, 2011 @ 23:06 by junaid choudhury
  • 1 vote

B3 and wheres the markscheme?!!?

Answered Fri 20th May, 2011 @ 09:48 by Georgina
  • 1 vote

hey i did the same paper as you, i wrote that it was so that they could share the nutients out so they can respire anaerobically and produce more methane, dont no if i got it right tho :/

Answered Fri 20th May, 2011 @ 14:37 by Mashhal
  • -2 votes

Theres a mark scheme to B3 paper released by the studentroom if u want!

Answered Thu 19th May, 2011 @ 23:43 by Star Pupils Tuition