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A metal and a non-metal that exists in liquid state at the room temperature are respectively :
Differentiate between metal and non-metal on the basis of their chemical properties.
Match the columns on the basis of properties and uses:
Manav found an unknown solid substance on a riverbank. To check its nature, he carried out some tests on the substance and recorded his observations in the table shown below. Effect of heat: melts on heating Ductility: can be stretched into a thin strand Malleability: can be beaten into a thin sheet Electrical conductivity: does not conduct electricity Which of the following could the substance be?
You are given a hammer, a battery, a bulb, wires and a switch.
Generally, non-metals are not lustrous. Which of the following non-metal is lustrous?
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