Advertisements
Advertisements
Question
An amphoteric oxide.
Options
CCl4
PbO
NaCl
CuO
NH4Cl
Advertisements
Solution
PbO
APPEARS IN
RELATED QUESTIONS
State your observation When excess sodium hydroxide is added to calcium nitrate solution
Name a solution that will separate the component of the following mixture: CaO from PbO
Give one chemical test to distinguish between the following pair of compounds:
Iron (II) chloride solution and iron (III) chloride solution
State the colour of the residue formed when nitrates of :
1. Calcium
2. Zinc
3. Lead
4. Copper are strongly heat
What do you understand by amphoteric oxide?
Give the balanced equations for the reaction with two different amphoteric oxides with a caustic alkali.
A given white crystalline salt was tested as follows:
The addition of barium chloride solution into this solution gave a white precipitate. What conclusions can be drawn for the observation?
A given white crystalline salt was tested as follows:
A flame test on the salt gave a persistent golden-yellow colourisation. What conclusions can be drawn for the observation?
When an ammonium salt is warmed with sodium hydroxide solution, a gas is evolved. State three ways in which you could identify this gas.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
