[" What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carb "],[" dioxide? Write the chemical equation of the reaction which takes place."]

What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.

(a) What happens when an aqueous solutin of sodium sulphate reacts with an aqueous solution of barium chloride ? (b) Write the balanced chemical equation for the reactin which takes place. (c ) State the physical conditions of reactants in which the reactin will not take place. (d) Name the type of chemical reactio which occurs. (e) Give one example of another reaction which of the same type as the above reaction.

What happens when an acid reacts with a metal hydrogencarbonate? Write equation of the reaction which takes place.

What happens when sodium reacts with ammonia ?

(a). What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water. (b). Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?

State what happens when a concentrated solution of sodium chloride (brine) is electrolysed ? Name the process. Write the equation of the reaction involved. Write the names of product obtained. Mention one use of each product.

(a). What happens when concentrated solution of sodium chloride (brine) is electrolysed? Write the equation of the reaction involved. (b) Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process? (c) Name three products of the chlor-alkali process. State two uses of each of these products.

What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride? State the physical conditions of reactants in which the reaction between them will not take place. Write the balanced chemical equation for the reaction and name the type of reaction.