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प्रश्न
Which of the following property is not responsible for copper to be used as electrical conduction wires?
पर्याय
Ductility
Colour
Good conductor of electricity
It is solid
उत्तर
Colour
Explanation -
Colour of the copper metal is not responsible for copper to be used as electrical conduction wires.
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संबंधित प्रश्न
Name the following:
Metals which forms an amphoteric oxide.
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.
What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
Name one metal more reactive and another less reactive than hydrogen.
One of the following is not a neutral oxide. This is:
(a) CO
(b) H2O
(c) N2O
(d) Na2O
The elements whose oxides can turn litmus solution blue are:
(a) carbon and sulphur
(b) sodium and carbon
(c) potassium and magnesium
(d) magnesium and sulphur
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
