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GENERAL SCIENCE - PREVIOUS YEARBibi Mohanan QUESTIONS
Yellow is the combination of a) Blue, Green b) Red,Blue c) Red,Green... d) Red Blue, Greern primary colours
Primary colours? G+RE Yellow B+R magenta G+B-Cyan G+B+R White
type of images Diverging lens produces -- a) Small virtual image... b) Big real image c) Small real image d) Big virtual image
Convex lens- real and inverted Concave - virtual and erect Power of lens measured in? Lens in human eye is? In microscope?telescope? Solar cooker? Project lamp? Shaving mirrors? Car head light bulb?
The process used to produce Ammonia is a) Contact process c) Chlor- Alkali Process d) Creighton process
Contact process? Bessemer - steel Ostwald - nitric acid Hall Heroult - Aluminium Bosch Hydrogen Dow - Mg Down's Na
The non metal which exists in liquid state at room temperature is: a) Mercury b) Sodium c) Pottassium d) Bromine
Quick silver? Metal with lowest melting point? Liquid metal at room temperature?
Which of the following units is usually used to denote intensity of pollution? a) Milligrams b) Nanograms c) d) Kilogram