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प्रश्न
Identify who I am!
Carbon allotropes- _______
उत्तर
Carbon allotropes- Diamond and graphite
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संबंधित प्रश्न
Give an example of a metal which is a poor conductor of heat.
Give reasons for the following.
Aluminium foils are used to wrap food items.
Name one metal which has a low melting point.
Which property of copper and aluminium makes them suitable for making electric wires?
State five uses of non-metals.
State any five physical properties of metals.
Name a metal that is most malleable
Name a non-metal that is hardest naturally occurring substance
Name a non-metal that is lustrous
Name the metals present in the following alloys
Bronze
Name the three classes in which elements are classified. Which was the first metal used by man?
Name:
a metal which can float on water
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Basic oxide………..
Fill in the Blank and Rewrite the Statements:
Elements showing properties of both metals and nonmetals are known as _________.
Name the following:
An Alloy of copper and Zinc.
Write the name.
The reagent which dissolves noble metals.
______ is the only non-metal which conducts electricity.
Non-metals form covalent chlorides because ____________.
Reason out
Sulphur is used in the vulcanization of rubber.