What would be the colour of litmus in a solution of sodium carbonate?

(a) A gas is produced when conc. H_(2)SO_(4) is added to solide sodium chloride taken in a test tube and the tube is heated. The gas coming out through the delivery tube is passed over a dry litmus paper and then over a moist litmus paper. What would you observe ? Explain your answer. (b) Fresh mikl has pH of 6. When it changes to curd (yogurt(, will its pH value increase or decrease? Why ? (c ) What will be the colour of blure limus in a solution of sodium carbonate ?

A solution of sodium carbonate in water is

Aqueous solution of sodium carbonate can react with :

What is the action of litmus on an aqeous solution of ammonium chloride?

What is the action of litmus on solution of ammonia gas in water?

What will you observe when : (i) Red litmus paper is introduced into a solution of sodium carbonate. (ii) A methyl orange drop is added to dilute hydrochloric acid. (iii) A drop of phenophthalein is added to the solution of lime water. (iv) Blue litmus is introduced into a solution of ferric chlorede.