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प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
पर्याय
True
False
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उत्तर
Sodium is a very reactive metal. (T)
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
Give reasons for the following.
Sodium and potassium are stored in kerosene.
The electrical conductivity and melting point of an alloy is ______ than that of pure metals.
With reference to the following metals state their use in daily life metal:
iron
With reference to the following metal state its use in daily life:
Magnesium
With reference to the following metals state their use in daily life metal:
Silver
Aluminium: _______: gold : : electric insulator
An element which is always lustrous, malleable and ductile is ______.
Compare the properties of metals and nonmetals. Give three examples for each.
The liquid metal at room temperature ______.
