Question

plzz answer fast its urgent.......

Answer 1

i) lime water turn milky white
ii)carbon dioxide reacts with lime water
iii) carbon carbonate not sure
iv) dont know
v) dont know

Answer 2

1) we see that the lime water changes milky in colour and texture .
2) the reason behinde it is that our exhaled air consists mainly of carbon dioxide which turns lime water milky .
3) 2CO2 +2CaO ------ 2CaCO2 +O2
4) *it is used by the plants during photosynthesis to prepare their own food
*it is used in carbogen which is a mixer of 5% CO2 and 95% of ocygen
* it is used as a fire extingusher
* it is also used to make dry ice