Chemically,borax is:

Heat energy is incident on the surface at the rate of $1000 ~J/min$. If the coefficient of absorption is $0.8$ and the coefficient of reflection is $0.1$,then the heat energy transmitted by the surface in $5$ minutes is: (in $~J$)

Aluminium is extracted from alumina $(Al_2O_3)$ by electrolysis of a molten mixture of:

Which one of the following sets of monosaccharides forms sucrose?

What is the primary purpose of data entry in the context of mathematical research?

Which disease is characterized by the appearance of dry,scaly lesions on various parts of the body such as the skin,nails,and scalp?