Do You Know | Science | Non-Metal

Nonmetal, or non-metal, is a term used in chemistry when classifying the chemical elements. On the basis of their general physical and chemical properties, every element in the periodic table can be termed either a metal or a nonmetal.



Q.  Which non-metals are solid at room temperature?
A.  Carbon, Sulphur and Phosphorus
Q.  Which non-metal is a good conductor of heat & electricity?
A.  Graphite
Q.  Which non-metal is used in water purification process?
A.  Chlorine
Q.  Which non-metal is used to make semi-conductors?
A.  Silicon
Q.  Which non-metal is used for making safety matches and fire works?
A.  Phosphorus
Q.  What is synthetic rubber?
A.  Synthetic rubber made of certain kinds of hydrocarbons. Of these butadiene is the most important. These hydrocarbons are obtained from coal, crude petroleum and alcohol. By the end of the Second World War, the combined production of synthetic rubber by Synthetic rubber is more oil resistant than natural rubber. In the international market, natural rubber is facing severe competition from synthetic rubber.
Q.  What hazardous substance is euphemistically referred to as "mineral fiber"?
A.  Asbestos.

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