THE_RELATIVE_HUMIDITY_OF_LABORATORY_SHOULD_BE_____________FOR_STANDARD

1.	THE_RELATIVE_HUMIDITY_OF_LABORATORY_SHOULD_BE_____________FOR_STANDARD_CONSISTENCY.?$
A.	65 ¬¨¬®¬¨¬± 5%
B.	27 ¬¨¬®¬¨¬± 2%
C.	50 ¬¨¬®¬¨¬± 5%
D.	45 ¬¨¬®¬¨¬± 10
Answer» B. 27 ¬¨¬®¬¨¬± 2%

Discussion