Chemistry
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is:
- Fe(OH)2
- Cu(OH)2
- Ca(OH)2
- Fe(OH)3
Related Questions
The vapour density of CH3OH is …………… (At. Wt. C=12, H=1, O=16)
- 32
- 18
- 16
- 34
Which of the following reactions takes place at the anode during the electroplating of an article with silver?
- Ag - 1e- ⟶ Ag1+
- Ag + 1e- ⟶ Ag1-
- Ag - 1e- ⟶ Ag
- None of the above
An example of a cyclic organic compound is:
- Propene
- Pentene
- Butene
- Benzene
In the laboratory preparation, HCl gas is dried by passing through:
- dilute nitric acid
- concentrated sulphuric acid
- dilute sulphuric acid
- acidified water