The maximum number of electrons that can be accommodated in M shell is
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The pH value increase from 7 to 14 represents a
In the modern periodic table, which of the two periods contain 8 elements each?
Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?
Biogas is produced from biomass by
What is the common name of the solution of calcium hydroxide?
In the process of ___, the iron is protected by a coating of zinc.
The chemical formula of Sodium Carbonate is
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