The correct options are
A Wood chips are boiled with chemicals such as common salt and baking soda in large boilers.
B When boiled, they turn into a fluffy pulp of thin fibres.
C The wood pulp is made using used paper and this is sourced from other states.
D The brownish pulp is then whitened by treating it with chemicals.
Wood chips are boiled with chemicals such as common salt and baking soda in large boilers. When boiled, they turn into a fluffy pulp of thin fibres. The brownish pulp is then whitened by treating it with chemicals. This is then spread into thin sheets to form paper.