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.
Which of the following is the most reactive metal?
Which of the following acids is injected into the skin during an ant bite?
Sodium hydroxide is NOT used for________.
Which of the following statements about carbon monoxide is INCORRECT?
Which of the following minerals does NOT fall in the category of non-metallic minerals?