15) Formula unit mass of NaCl is
1) 58.5u 11)5.85u III) 585u IV) 56 u
Answers
Answer:
Direction for question 2 ,3 and 4 : In the following questions the Assertion and
Reason have been put forward read the statements carefully and choose the
correct alternative from the following. (1*3=3)
a) Both the Assertion and Reason are correct and the Reason is the correct
explanation of the Assertion.
b) The Assertion and Reason are correct but the Reason is not the correct
explanation of the Assertion.
c) Assertion is true but the Reason is false.
d) The statement of the Assertion is false but the Reason is true.
Explanation:
Direction for question 2 ,3 and 4 : In the following questions the Assertion and
Reason have been put forward read the statements carefully and choose the
correct alternative from the following. (1*3=3)
a) Both the Assertion and Reason are correct and the Reason is the correct
explanation of the Assertion.
b) The Assertion and Reason are correct but the Reason is not the correct
explanation of the Assertion.
c) Assertion is true but the Reason is false.
d) The statement of the Assertion is false but the Reason is true.
Answer:
To two decimal places, the formula mass of NaCI is 58.44 any.
Explanation:
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