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प्रश्न
Non-metal that is a good conductor of electricity:
A good conductor of electricity is ______.
विकल्प
Bromine
Iodine
Graphite
Sodium
Sulphur
उत्तर १
Graphite
Explanation:
Graphite, an allotrope of carbon, is an exception, as it is a good conductor of electricity.
उत्तर २
A good conductor of electricity is Graphite.
Explanation:
Although graphite is the only non-metal that conducts electricity, metals are also excellent conductors of electricity.
संबंधित प्रश्न
What type of oxides are formed when non-metals combine with oxygen?
What happens when
- ZnCO3 is heated in the absence of oxygen?
- a mixture of Cu2O and Cu2S is heated?
A non-metal A which is the largest constituent of air, when heated with H2 in 1:3 ratio in the presence of catalyst (Fe) gives a gas B. On heating with O2 it gives an oxide C. If this oxide is passed into water in the presence of air it gives an acid D which acts as a strong oxidising agent.
- Identify A, B, C and D
- To which group of periodic table does this non-metal belong?
Which of the following non-metals reacts and catches fire on exposure to air?
Iron is more reactive than copper. Can you write an activity to show this?
Write the physical properties of non–metals.
