Materials Used in the Preparation of Substances like Soap, Glass, Ink, Paper, Cement, Paints, Safety Matches and Gun-Powder NDA Questions

NDA Chemistry

Materials Used in the Preparation of Substances like Soap, Glass, Ink, Paper, Cement, Paints, Safety Matches and Gun-Powder MCQ Questions


1.
What is the main raw material used in the preparation of soap?
A.
Fat or oil
B.
Water
C.
Caustic soda
D.
Limestone
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ANSWER :
A. Fat or oil
2.
What is the primary ingredient in the preparation of glass?
A.
Silica
B.
Lime
C.
Sand
D.
Soda
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ANSWER :
A. Silica
3.
Which substance is used as a binder in the preparation of paints?
A.
Pigment
B.
Linseed oil
C.
Water
D.
Solvents
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ANSWER :
B. Linseed oil
4.
Which material is used to make the wick in safety matches?
A.
Silk
B.
Wool
C.
Nylon
D.
Cotton
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ANSWER :
D. Cotton
5.
Which chemical is commonly used in the preparation of gunpowder?
A.
Calcium carbonate
B.
Sodium chloride
C.
Sulfur
D.
Potassium nitrate
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ANSWER :
D. Potassium nitrate
6.
In the production of cement, the raw material used is__________
A.
Water
B.
Limestone
C.
Sand
D.
Potassium chloride
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ANSWER :
B. Limestone