Which of the followings is an example of a non metal?
Sulphur
Copper, Iron and Zinc are metals; Sulphur is a non-metal, being brittle, a poor conductor, and forming acidic oxides.
Mica is mainly used in:
Which among the following is the popular method for manufacture of ammonia?
Dry ice is used on a performing stage to produce mist in air. The process involved is an example of
Which one of the following metals floats in cold water?
Liquid vegetable oils are converted to solid margarine by the use of