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प्रश्न
Which one of the following is not true of metal :
Metals form non-polar covalent compounds
विकल्प
True
False
उत्तर
Metals form non-polar covalent compounds - False
(Metals form ionic compounds.)
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संबंधित प्रश्न
Name one ore of copper (other than cuprite). Which compound of copper is present in this ore? Also, write its chemical formula.
Give reasons, why aluminum is used in:
In making ships
Define the following term.
Gangue
Name the methods by which concentrated ore is converted to metallic oxide.
How is the method of extraction of metals high up in the reactivity series different from that for metals in the middle? Why can the same process not be applied for them? Name the process used for the extraction of these metals.
Iron is _______.
In the electrolytic reduction of alumina, the lining of graphite acts as an anode.
The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called ____________.
In thermite welding a mixture of ____________ is ignited with a burning magnesium ribbon which produces molten iron metal as a large amount of heat is evolved.
Which of the following metals exist in their native state in nature?
- Cu
- Au
- Zn
- Ag
