More cards in this set

Card 6

Front

how do plant fertilisers increase crop yield?

Back

Preview of the front of card 6

Card 7

Front

write the balanced symbol equation for N2+H2-->NH3

Back

Preview of the front of card 7

Card 8

Front

Why is a catalyst used for?

Back

Preview of the front of card 8

Card 9

Front

why is high pressure needed?

Back

Preview of the front of card 9