#1
21st October 2014, 11:56 AM
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General Science Objective Type Solved Questions
Tell me from where I can get General Science Objective Type Question Papers with answers???
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#2
21st October 2014, 03:07 PM
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Re: General Science Objective Type Solved Questions
You are looking for General Science Objective Type Question Papers with answers here I am giving: 1. Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen 2. Which of the following is a non metal that remains liquid at room temperature? A. Phosphorous B. Bromine C. Chlorine D. Helium 3. Chlorophyll is a naturally occurring chelate compound in which central metal is A. copper B. magnesium C. iron D. calcium 4. Which of the following is used in pencils? A. Graphite B. Silicon C. Charcoal D. Phosphorous 5. Which of the following metals forms an amalgam with other metals? A. Tin B. Mercury C. Lead D. Zinc 6. Chemical formula for water is A. NaAlO2 B. H2O C. Al2O3 D. CaSiO3 7. The gas usually filled in the electric bulb is A. nitrogen B. hydrogen C. carbon dioxide D. oxygen 8. Washing soda is the common name for A. Sodium carbonate B. Calcium bicarbonate C. Sodium bicarbonate D. Calcium carbonate 9. Quartz crystals normally used in quartz clocks etc. is chemically A. silicon dioxide B. germanium oxide C. a mixture of germanium oxide and silicon dioxide D. sodium silicate 10. Which of the gas is not known as green house gas? A. Methane B. Nitrous oxide C. Carbon dioxide D. Hydrogen 11. Bromine is a A. black solid B. red liquid C. colourless gas D. highly inflammable gas 12. The hardest substance available on earth is A. Gold B. Iron C. Diamond D. Platinum 13. The variety of coal in which the deposit contains recognisable traces of the original plant material is A. bitumen B. anthracite C. lignite D. peat 14. Tetraethyl lead is used as A. pain killer B. fire extinguisher C. mosquito repellent D. petrol additive 15. Which of the following is used as a lubricant? A. Graphite B. Silica C. Iron Oxide D. Diamond 16. The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is A. Argon B. Xenon C. Helium D. Krypton 17. The gases used in different types of welding would include A. oxygen and hydrogen B. oxygen, hydrogen, acetylene and nitrogen C. oxygen, acetylene and argon D. oxygen and acetylene 18. The property of a substance to absorb moisture from the air on exposure is called A. osmosis B. deliquescence C. efflorescence D. desiccation 19. In which of the following activities silicon carbide is used? A. Making cement and glass B. Disinfecting water of ponds C. cutting very hard substances D. Making casts for statues 20. The average salinity of sea water is A. 3% B. 3.5% C. 2.5% D. 2% |
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