General Knowledge MCQ - English
Which of the gas is not known as green house gas?
Methane
Nitrous oxide
Carbon dioxide
Hydrogen
Answer : D
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1) Potassium Permanganate is used for purifying drinking water, because
it is a sterilising agent
it dissolves the impurities of water
it is a reducing agent
it is an oxidising agent
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2) kilohertz is a unit which measures
power used by a current of one ampere
electromagnetic radio wave frequencies
voltage
electric resistance
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3) The two elements that are frequently used for making transistors are
4) The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is
5) What is the wavelength of visible spectrum?
