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प्रश्न
State what is meant by the term ‘activity series of metals’.
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उत्तर
The positive of metals in the decreasing order of their reactivity is called ‘activity series of metals.’
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संबंधित प्रश्न
What do the following symbol stand for?
H2
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Give the symbol of the following element:
Fluorine
Give the symbol of the following element:
Platinum
State the type of element for the following:
Boron
State the type of element for the following:
Calcium
State the type of element for the following:
Arsenic
Write the chemical formula of the following:
Sodium bromide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
