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प्रश्न
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
उत्तर
Copper carbonate (CuCO3)
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संबंधित प्रश्न
State one use of Mercury.
Mention two uses of the following metals and non-metals
Iodine
A metal with melting point less than 50°C is
Aluminium is not used to make :
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Salt of silver, such as ________ is used for making photographic films.
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
State two important uses of following metals:
Uses of iron
State two important uses of following metal
Uses of zinc
State two important uses of following metal
Uses of mercury
Write name.
Alloy of sodium with mercury.
With reference to the following metals state their use in daily life metal:
copper
Aluminium: _______: gold : : electric insulator
The metal which is liquid at room temperature is ______.
An element which is always lustrous, malleable and ductile is ______.
Why are bells made of metals?
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
Metals are ______ conductors of heat and electricity.
Silver and copper are very good conductors of electricity.
