Tag: rocks and minerals
Questions Related to rocks and minerals
_____ is the material remaining after the removal of pyridine and other distillates from coal tar.
Coal gas contains:
Identify the different types of coke.
Which type of coke is considered as pure coke?
Low temperature carbonisation __________.
Combustion reaction of coke is a/an __________ reaction.
Naphthalene which is used to repel moths and other insects is obtained from:
Coal can be used as a:
One which is known as a nonrenewable energy is:
When heated in air, coal burns and produces mainly: