A divalent metal burns in air with a dazzling white light. The ash-like residue obtained dissolves in water to form a solution which turns red litmus blue.
(i) Identify the metal.
(ii) Is the solution acidic or basic ?
(iii) Write the equations for the reactions involved .

Each of the following oxide dissolves in water to give an aqueous solution which turns red litmus blue except

Which of the following oxides when dissolved in water gives a solution which turns blue litmus red?

A solution turns red litmus blue, its pH is likely to be (i) 1 (ii) 4 (iii) 5 (iv) 10

A colourless gas is dissolved in water and the resulting solution turns red litmus blue, the gas may have been which one of the following ?

A substance when dropped in water reacts vigorously and catches fire. The solution obtained turns red litmus blue . (i) What is the nature of the solution ? (ii) Is the substance a metal or a nonmetal ?

A metal E is stored under kerosene. When a small piece of it is left open in air, it catches fire. When the product formed is dissolved in water, it turns red litmus to blue : (i) Name the metal E. (ii) Write the chemical equation for the reaction when it is exposed to air and when the product is dissolved in water. (iii) Explain the process by which the metal E is obtained from its molten chloride

A metal E is stored under kerosene. When a small piece of it is left open in air, it catches fire. When the product formed is dissolved in water, it turns red litmus to blue : (i) Name the metal E. (ii) Write the chemical equation for the reaction when it is exposed to air and when the product is dissolved in water. (iii) Explain the process by which the metal E is obtained from its molten chloride.