Q6 of 30 Page 34

Name one salt whose solution has pH more than 7 and salt whose solution has pH less than 7.

When a salt of a weak base and a strong acid combines, form acidic solution. An acidic solution has acidic properties whose pH value is less than 7.

For example



When a salt of weak acid and a strong base combines to form a basic solution. The basic solution has basic properties whose pH value is greater than 7.


For example


More from this chapter

All 30 →
4

Metal oxides are basic oxides. Explain with an example.

 5

A compound 'X' is constituent of baking powder. It is used as an antacid. When 'X' is heated, it gives out a 'Y' which when passed through lime water turns it milky, and salt 'Z' is formed which is the main constituent of washing powder. Identify X Y and Z. Write balanced chemical equations for the reactions involved.

 7

"State The Chemical Property in Each Case On Which The Following Uses Of Baking Soda Are Based:-

(a) as an Antacid


(b) as a constituent of baking powder."

 8

"Name the products formed in each case when:

a. Hydrochloric acid reacts with caustic soda


b. Granulated zinc reacts with caustic soda


c. Carbon dioxide is passed into the lime water."