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Ch7 Living things and air by Yau Chun Hin, image, image, image, image…
Ch7 Living things and air
by
Yau Chun Hin
Animal
Respiration
consumption
oxygen
food
product
energy
water
sub-product
carbon dioxide
Plant
Photosynthesis
consumption
light
water
carbon dioxide
product
food (carbohydrate)
sub-product
oxygen
testing for gas
water vapour
use dry cobalt chloride paper
if there is water vapour
dry cobalt chloride paper turns
pink
Carbon dioxide
hydrogen carbonate indicator
if there is carbon dioxide
colour of hydrogen carbonate indicator turns
yellow
oxygen
glowing splint
if there is oxygen
the flame will relights, then goes off
burning splint
if there is oxygen
The flame will burns brighter, then goes off
