Chemistry
A metal which produces hydrogen on reacting with alkali as well as with acid:
- Iron
- Magnesium
- Zinc
- Copper
Related Questions
The colour of an aqueous solution of copper sulphate is:
- Green
- Brown
- Blue
- Yellow
The colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is:
- White
- Brown
- Green
- Pale blue
The salt solution which does not react with ammonium hydroxide is:
- Calcium nitrate
- Zinc nitrate
- Lead nitrate
- Copper nitrate
Which of the following is the best reagent to distinguish lead nitrate and zinc nitrate ?
P NaOH solution
Q KOH solution
R NH4OH solution
Only P
Only R
Only Q
Both P and Q