MCQ
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________
- AFe
- BMg
- ✓Pb
- DAl
✓
Answer
Correct option: C.
Pb
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction Pb.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The electrolyte used during silver plating of copper article is:
When a blue coloured solution of a salt is allowed to slowly reacts with an ammonium hydroxide solution the colour of the solution slowly starts fading away.
What will happen when excess amount of ammonium hydroxide is added into the solution?
What will happen when excess amount of ammonium hydroxide is added into the solution?
A gas cylinder of capacity of $20dm^3$ is filled with gas $X$ the mass of which is $10g.$ When the same cylinder is filled with hydrogen gas at the same temperature and pressure the mass of the hydrogen is $2g,$ hence the relative molecular mass of the gas is :
→Electrolysis of acidulated water is an example of ......
The trends in three physical properties of period 3 are shown in the graphs :
Which physical property is not illustrated?
Which physical property is not illustrated?
Slaked lime [Ca(OH)2] is used in the preparation of ammonia from ammonium chloride, rather than NaOH or KOH, because :
Compound having the some molecular formula but different structural formula are known as isomers which of the following statement is correct with respect to isomerism.
P : Main cause of isomerism is the difference in the mode of linking of atom & different arrangement of atom.
Q: Isomers have same physical and chemical property.
P : Main cause of isomerism is the difference in the mode of linking of atom & different arrangement of atom.
Q: Isomers have same physical and chemical property.
Which of the following best describes reduction in terms of electron movement?
Sulphuric acid precipitates the insoluble sulphate from the solution of their salts which from presented data W, X, Y, Z does not support the above statement.
→| Soluble Salts | Acid | Insoluble salt | |
| W | $Pb \left( NO _3\right)_2$ | $H _2 SO _4$ | $PbSO _4$ |
| X | $BaCl _2$ | $H _2 SO _4$ | $BaSO _4$ |
| Y | $CaCl_2$ | $H _2 SO _4$ | $CaSO _4$ |
| Z | $NaNO _3$ | $H _2 SO _4$ | $NaHSO _4$ |
Ammonia gas turns colourless Nessler's reagent to :