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प्रश्न
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
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उत्तर
Copper carbonate (CuCO3)
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संबंधित प्रश्न
Write the name and formula of a metal hydride.
State one use of the following metal:
Aluminium
State one use of the following metal:
Iron
State one use of the following metal:
Silver
The atomic number of an element X is 12.
- What must an atom of X do to attain the nearest inert gas electron configuration?
- Which inert gas is nearest to X?
Name two alloys of iron. What elements are present in these alloys?
Brass is an alloy of copper and ______.
The alloy in which one of the metals is mercury is called an ______.
What is an alloy?
What is an alloy?
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
Aluminium is not used to make :
Name a metal which is not malleable :
Name a metal which is best conductor of electricity :
State two important uses of following metal
Uses of lead
State two important uses of the following metal.
Uses of magnesium
Give reasons for the following:
Most metals conduct electricity well.
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
Which metals are not solid at room temperature?
