what reaction takes place when silver bromide is kept in sunlight?
Identigy the substance oxidised & reduced : ZnO + C ---> Zn + CO
Give the characteristic tests for the gases co2,O2,h2,so2
what happens when methane burns in air ? write chemical equation.
Why does lime water turn milky when CO2 is passed through it?
Why white coloured silver chloride turns grey when kept in sunlight?
USES AND APPLICATIONS OF DECOMPOSITION REACTIONS
5 examples of double displacement reaction?
what is neutralisation reaction ? give two examples . ?
what is the colour of feso4.7h2o crystals ? how does this colour changes upon heating ?
give balanced chemical equation for the changes ?
H2S+Cl2=S+2HCl ,
which subtance is :
1)oxidised
2)reduced
3)the oxidising agent
4)the reducing agent
Give reasons?
WHY IS HYDROGEN PEROXIDE IS KEPT IN COLOURED BOTTLES
35. What happens when sodium sulphate and barium chloride solutions are mixed together ? Write reaction with
why does colour of copper sulphate solutions change when an iron nail is dipped in it?
What is the chemical formula of LPG ?
what reaction takes place when silver bromide is kept in sunlight?
Identigy the substance oxidised & reduced : ZnO + C ---> Zn + CO
Give the characteristic tests for the gases co2,O2,h2,so2
what happens when methane burns in air ? write chemical equation.
Why does lime water turn milky when CO2 is passed through it?
Why white coloured silver chloride turns grey when kept in sunlight?
USES AND APPLICATIONS OF DECOMPOSITION REACTIONS
5 examples of double displacement reaction?
what is neutralisation reaction ? give two examples . ?
what is the colour of feso4.7h2o crystals ? how does this colour changes upon heating ?
give balanced chemical equation for the changes ?
H2S+Cl2=S+2HCl ,
which subtance is :
1)oxidised
2)reduced
3)the oxidising agent
4)the reducing agent
Give reasons?
WHY IS HYDROGEN PEROXIDE IS KEPT IN COLOURED BOTTLES
35. What happens when sodium sulphate and barium chloride solutions are mixed together ? Write reaction with
why does colour of copper sulphate solutions change when an iron nail is dipped in it?
What is the chemical formula of LPG ?