Which of the following is the correct definition of mole? (A) It is equal to the gram atomic mass of the substance (B) It contains 6.022 × 10 20 atoms of the given substance (C) It is equal to the gram molecular weight of the substance (D) It contains 6.022 × 10 23 molecules of the given substance

Correct Answer is : Options (A) (C) and (D)

RRB Group D 5-Nov-2018 Shift 2 Solved Paper

Question : 86 of 100

Marks: +1, -0

Which of the following is the correct definition of mole?
(A) It is equal to the gram atomic mass of the substance
(B) It contains 6.022 × 10²⁰ atoms of the given substance
(C) It is equal to the gram molecular weight of the substance
(D) It contains 6.022 × 10²³ molecules of the given substance

Options (A) (C) and (D)
Options (B) (C) and (D)
All options are correct
Option (C) and (D) only

Validate

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