Question

Match the following pH values 1, 7, 9 and 13 to the solutions given below.

(i) Distilled water

(ii) Aqueous potassium hydroxide

(iii) Gastric juice

(iv) Baking Soda

(b) A compound ‘A’ is used in fire extinguishers as an antacid and its

small amount is also used in making bakery items. Identify the

compound and also explain with equation the reason for above

mentioned uses of the compound ‘A​

Answer 1

Answer:

Distilled water - 7

Aqueous potassium hydroxide - 13

Aqueous potassium hydroxide - 13Gastic juice - 1

Banking soda -9

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B) The compound is sodium bi carbonate as it is used as an important ingredient of an antacid because it neutralizes stomach acids. And also used in fire extinguishers as it produces carbon dioxide on heating which is a fire extinguisher.It is also used in baking.

Explanation:

Hope it will help you..

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