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प्रश्न
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
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उत्तर
It is a series of metals arranged according to their reactivity in which the most reactive metal i.e. potassium is at the top of the series and the least reactive metal i.e. gold is at the bottom.
The most reactive metal is Na.
The less reactive metals are Zn, Fe, Pb.
The least reactive metals are Ag, Cu.
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संबंधित प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Define atomic mass unit. What is its symbol ?
What do the following symbol stand for?
H
Give the symbol of the following element:
Xenon
State the type of element for the following:
Zinc
State the type of element for the following:
Sodium
State the type of element for the following:
Phosphorus
Give the symbol of the following element:
Sulphite
Write the chemical formula of the following:
calcium carbonate
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
