Coal-tar
Diesel
Charcoal
Camphor
The coating of a thin layer of zinc on steel or iron objects is known as
The coloured discharge tubes for advertisement mainly contain
The common name for the compound having formal NaOH is
The common name of sodium bicarbonate is
The compound that has the least value for octane number is:
The compound that IS NOT responsible for acid rain is
The compound(s) produced during the formation of photochemical smog is/are:
The constituent particle of a nucleus in an atom are
The constituents of automobile exhaust that can cause cancer is/are :
The credit for the discovery of transuranic element goes to
