Explain the following: Aqueous solution of sodium chloride is a good conductor of electricity while solid sodium chloride is a non-conductor.
Important Questions on s-Block Elements:Alkali and Alkaline Earth Metals. Alkali Metals:(Group 1)
Write the chemical formula of Glauber's salt.
What are the products of electrolysis when an aqueous solution of sodium chloride is electrolysed?
In the extraction of sodium by electrolytic method, fused sodium chloride is used instead of aqueous solution of sodium chloride. What is the reason?
What happens when sodium bromide is heated with hot conc. ?
In the extraction of sodium by electrolytic method, fused sodium chloride is used instead of aqueous solution of sodium chloride. What is the reason?
Give the general trends in the properties of alkali metals. Write the principle of manufacture of potassium chlorate.
Give the comparative account of properties of alkali metals. Write any two uses of potassium chlorate.
Name the elements of group of the periodic table. Give the general trends in the properties of these elements. How is Glauber's salt prepared?
