General Science - Synthetic Materials
How does common salt help in separating soap from the solution after saponification?
By decreasing density of Soap
By decreasing solubility of Soap
By increasing density of Soap
By increasing solubility of Soap
Which is/are the important raw material(s) required in cement industry?
Gypsum and Clay
Limestone and Clay
Paper is manufactured by
Wood and resin
Wood, sodium and bleaching powder
Wood, calcium, hydrogen sulphite and resin
Wood and bleaching powder
The vast resources of unutilised natural gas can be used in the production of
Optic fibres are mainly used for which of the following?
Detergents used for cleaning clothes and utensils contain?
In vulcanisation, natural rubber is heated with
The major ingredient of leather is
Which of the following is a protein?
None of these
There are 9 questions to complete.