Question
Which of the following is NOT correct about the use of
Quick lime?Solution
(i) It is an important primary material for manufacturing cement and is the cheapest form of alkali. (ii) It is used in the manufacture of sodium carbonate from caustic soda. (iii) It is employed in the purification of sugar and in the manufacture of dye stuffs.
The theory of relativity was proposed by which scientist.
What is the SI unit of temperature?
D.N.A. does not contain
In the context of air pollution measurements, what does "PM2.5" refer to?Â
The height of a geo-stationary satellite from the Earth's surface is approximately :
Which of the following is used for the electrical insulation bulttons?
Which blood group has no antibodies?
What is the shape of the Milky Way galaxy?
What is the SI unit of weight?
Which of the following is used as a substitute for mercury in thermometers?
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