Question

Name the following:

i) Green house gases.
ii) Chemical responsible for ozone layer depletion
i) Certain elements exhibit more than one valency iv) The symbolic representation of molecule is.
Name a white salt on heating decomposes to give brown fumes & residue is left. ​

Answer 1

Answer:

HERE IS YOUR ANSWER

____________________________________________

i)GreenHouse Gases-Carbon dioxide(CO2), Methane(CH4)

ii)Chemical responsible for ozone layer depletion-Chlorofluorocarbons(CFCs)

iii) Elements exhibiting variable valency-Iron (II and III->Ferrous and Ferric respectively),Copper(I and II->Cuprous and Cupric),etc. like lead(Pb).

iv) Element Oxygen can be expressed as O2 for molecular state.

v)Lead nitratePb(NO3)2 when heated gives brown fumes and leaves behind yellow residue.

~~dVampYT

"Hope it helps"

____________________________________________

Answer 2

Answer:

co2 ch4

no3 su2

thanks alot but i am noob