Tag: coal
Questions Related to coal
Coal can be used as a:
One which is known as a nonrenewable energy is:
When heated in air, coal burns and produces mainly:
Calorific value of wood is higher than that of coal.
The black thick liquid with unpleasant smell is known as :
Coal tar is a main source of:
Coal tar which is main source of organic compounds is obtained as by product during?
How much coal is needed to supply enough electricity to light ten 100-watt bulbs for about an hour?
Dyes are used for colouring various materials like cloth and plastic. William Perkins, an English Chemist, discovered dyes for colouring from:
The main constituent of pitch during destructive distillation of coal tar is: