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प्रश्न
Give three ways in which the metal zinc differs from the non-metals carbon. At least one of the differences must be a chemical difference?
उत्तर
The three ways in which metal zinc differs from the non-metal carbon is:
- Zinc has valency 2 and carbon has valency 4.
- Zinc does not form hydride but carbon does (CH4).
- Oxides of zinc are amphoteric (ZnO), whereas oxides of carbon are acidic (CO2) and neutral (CO).
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संबंधित प्रश्न
Write the equation for the formation of aluminium at the cathode during the electrolysis of alumina.
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis ?
State a reason why zinc is used in:
galvanization,
State on what special properties the use of each of these metals depends:
zinc
Name the following:
The kind of welding in which aluminium powder is used.
Complete and balance the following equation :
Al + NaOH →
Name the ore of zinc containing its sulphide.
Brass is an alloy of ______.
Name the following :
The process of coating of iron with zinc.
The ore which can be concentrated by magnetic separation.
