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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.
Copper displaces zinc from zinc sulphate solution. ( )
What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.
Mention two uses of the following metals and non-metals
Aluminium
Mention two uses of the following metals and non-metals
Gold
State two important uses of following metal:
Uses of aluminium
Write scientific reason.
Pine oil is used in froth flotation.
The minerals from which the metal can be separated economically are called _______.
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
The most abundant metal in the earth’s crust is ____________.
Compare the conductivity of metals and non–metals.
