Ba
Mg
Cu
Ag
The working principle of a washing machine is
The xylem in plants are responsible for:
The yellow colour of human urine is due to a pigment called?
Therm is the unit of -
This group of alumino-silicate minerals is widely used in making electrical insulators
Thomas Clifford Allbutt is associated with the invention of
Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simul-taneously, then which vessel is emptied first?
Thrombosis is a disease of the-
Tikka disease is related with the crop
Time of exposure required for taking photograph of an object depends upon the
