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Friday, December 2, 2016

General Science - Synthetic Materials

1.Which is/are the important raw material(s) required in cement industry?
Gypsum and Clay Clay Limestone and Clay Limestone

2.Which type of fire extinguisher is used for petroleum fire?
Powder type Liquid type Soda acid type Foam type

3.Which of the following is commonly called a 'polyamide'?
Terylene Nylon Rayon Orlon

4.Epoxy resins are used as
detergents insecticides adhesives moth repellents

5.Detergents used for cleaning clothes and utensils contain?
bicarbonates bismuthates sulphonates nitrates

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