The experimentally determined molar mass of a non-volatile solute,$BaCl_2$,in water by Cottrell's method,is

Amongst the given taxonomic aids,how many are associated with the preservation of specimens? Monograph,Flora,Key,Museums,Botanical Gardens,Catalogue,Herbarium,Manual

The ratio of angular speeds of the minute hand and the hour hand of a watch is:

$A$ rubber cube of side $5 ~cm$ has one face fixed,while a tangential force $1800 ~N$ is applied on its opposite face. If the modulus of rigidity of rubber is $2.4 \times 10^6 ~N/m^2$,then the lateral displacement of the strained face is . . . . . . (in $mm$)

Which of the following statements is incorrect for physical adsorption?

The product is: