General Science

Q1961.Miniaturization of present day computers has been possible due to the use of

Q1962.One mole of Hydrogen gas burns in excess of Oxygen to give 290 kJ of heat. What is the amount of heat produced when 4g of Hydrogen gas is burnt under the same conditions?

Q1963.Which gas is filled in normal tubelights?

Q1964.What is the material used in the manufacturing of I.C. chips in computers?

Q1965.Burning of Hydrogen produces

Q1966.Full form of C.F.L. is

Q1967.IC chips for computers are usually made of

Q1968.An element X has four electrons in its outermost orbit. What will be the formula of its compounds with hydrogen?

Q1969.What gases are filled in fluorescent tube?

Q1970.The IC chips are made of

Q1971.According to weight, the percentage of hydrogen in water (H2O), is

Q1972.In comparison to an electric bulb, a fluorescent tube is preferred because

Q1973.IC’s are classified on the basis of

Q1974.Which one of the following fuels causes minimum air pollution?

Q1975.How does the white light produce in the tube?

Q1976.Which of the following statements is correct?

Q1977.Heavy water is a type of

Q1978.Which is the gas inside an electric bulb?

Q1979.The device by which data are transferred by telephone with the help of binary signals is

Q1980.The chemical formula of Heavy Water is