The standard hard water is prepared such that each ml must contain ________ mg of CaCO3.(a) 1(b) 2(c) 3(d) 4The question was posed to me in unit test.My doubt stems from Estimation of Hardness topic in chapter Water of Applied Chemistry

The standard hard water is prepared such that each ml must contain ___

1.	The standard hard water is prepared such that each ml must contain ________ mg of CaCO3.(a) 1(b) 2(c) 3(d) 4The question was posed to me in unit test.My doubt stems from Estimation of Hardness topic in chapter Water of Applied Chemistry
Answer» Correct option is (a) 1 To elaborate: The 1G of pure CaCO3 is DISSOLVED in the minimum AMOUNT of concentrated HCL diluted to 1ltr of distilled water such that it CONTAINS 1MG of CaCO3.

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The standard hard water is prepared such that each ml must contain ________ mg of CaCO3.(a) 1(b) 2(c) 3(d) 4The question was posed to me in unit test.My doubt stems from Estimation of Hardness topic in chapter Water of Applied Chemistry

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