Question

10. The main disadvantage of hard water, is
(2 Points)
(A) Greater soap
consumption
(B) Scaling of boilers
(C) Corrosion and incrustation
of pipes
(D) All the above​

Answer 1

Answer:

(D) All the above

Explanation:

• Hard water consumes more amount of soap.
• Hard water requires more scaling in boilers.
• Hard water also corrodes and incrusts pipes.
• Therefore, the answer is (D) All of the above

Answer 2

The correct answer is option (D) All the above​.

Explanation:

• Hard water refers to water that has high mineral content as compared to soft water.
• It is formed when water percolates through deposits of limestone, chalk or gypsum which are generally made up of calcium and magnesium carbonates, bicarbonates and sulfates.
• Hard drinking water have various moderate health benefits.
• The main disadvantages of hard water are greater soap consumption, scaling of boilers, corrosion and incrustation of pipes and making food tasteless.
• Hence, the correct answer is option (D) All of the above.