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RRB NTPC SAMPLE PAPER - GENERAL AWARENESS - 245


RRB NTPC SAMPLE PAPER - GENERAL AWARENESS - 245


1. Commercial nitric acid is coloured because it contains dissolved

(a) Oxygen
(b) Nitrous oxide
(c) Nitrogen dioxide
(d) Coloured impurities

2. Fertiliser having high nitrogen content is

(a) Urea
(b) Ammonium sulphate
(c) Ammonium nitrate
(d) Calcium citrate

3. Quantity of fresh air required for a man is

(a) 1000 cubic feet of air for every 20 minutes
(b) 1000 cubic feet of air for every 20 seconds
(c) 1000 cubic feet of air for every 10 minutes
(d) 1000 cubic feet of air for every 10 seconds

4. A compact disc (CD) is a data storage system of the type

(a) Magnetic
(b) Optical
(c) Electrical
(d) Electro mechanical

5. Surface tension in a liquid is due to

(a) Adhesive force between molecules
(b) Cohesive force between molecules
(c) Gravitational force between molecules
(d) Electrical force between molecules.

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

1. (b) 2. (a) 3. (b) 4. (a) 5. (b)

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