a
Copper (ll) ion can be reduced to copper (l) ion by hydrochloric acid and zinc
b
Sodium metal dissolves in water giving oxygen
c
Nitrogen is insoluble in water
d
Carbondioxide is soluble in water
e
lead has a higher atomic weight than copper
Explanation
Correct Option
bNo explanation available
Video Explanation
No video available
Post your Contribution
Share:
Discussions (6)
AnitaRichs
10 years ago
sodium undergoes a violent reaction especially with cold water to produce NaOH and Hydrogen gas
King33Victor
3 months ago
oxygen keeh
myschool please do well to correct this thing
what a reactive metal like Na react with cold it gonna form salt with libration of Hydrogen gas not Oxygen
