Alkalinity Interview Questions

Alkalinity interview questions

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Total Questions: 5

1. Which source of water is free from hardness and surface impurities?

A. Surface water

B. Underground water

C. Rain water

D. Sea water

Correct Answer is : Rain water

2. Water from reservoirs comes under the category of

A. Surface water

B. Rain water

C. Underground water

D. Sea water

Correct Answer is : Surface water

3. Which of the following indicator is pink in basic medium?

A. Methyl orange

B. Phenolphthalein

C. Starch

D. Litmus paper

Correct Answer is : Phenolphthalein

4. What are the disadvantage of using high alkaline water?

A. It may lead to infections

B. It may lead to electrolysis

C. It may lead to caustic embrittlement

D. It may lead to indigestion

Correct Answer is : It may lead to caustic embrittlement

5. The alkalinity due to carbonate ion is 2P when

A. P = M

B. P > M/2

C. P = M/2

D. P < M/2

Correct Answer is : P = M/2

Alkalinity interview questions