GK Quiz General Science – GK Quiz Share on Facebook Tweet on Twitter General Science – GK Quiz 1. Which of the following metals remain in liquid for under normal conditions? A. Radium B. Zinc C. Uranium D. Mercury Loading... 2. Which of the following is an element? A. Ruby B. Sapphire C. Emerald D. Diamond Loading... 3. Water is a good solvent of ionic salts because A. it has a high specific heat B. it has no color C. it has a high dipole moment D. it has a high boiling point Loading... 4. Which of the following is not an isotope of hydrogen? A. Tritium B. Deuterium C. Protium D. Yttrium Loading... 5. Bell metal is an alloy of A. nickel and copper B. zinc and copper C. brass and nickel D. tin and copper Loading... 6. Potassium Permanganate is used for purifying drinking water, because A. it is a sterilizing agent B. it dissolves the impurities of water C. it is a reducing agent D. it is an oxidizing agent Loading... 7. Amalgams are A. highly colored alloys B. alloys which contain mercury as one of the contents C. alloys which have great resistance to abrasion D. alloys which contain carbon Loading... 8. Which of the following is the lightest metal? A. Mercury B. Lithium C. Lead D. Silver Loading... 9. Which metal pollutes the air of a big city? A. Copper B. Chromium C. Lead D. Cadmium Loading... 10. The main constituents of pearls are A. calcium oxide and ammonium chloride B. calcium carbonate and magnesium carbonate C. aragonite and conchiolin D. ammonium sulphate and sodium carbonate Loading... 11. The filament of an electric bulb is made of A. tungsten B. nichrome C. graphite D. iron Loading... 12. In fireworks, the green flame is produced because of A. sodium B. barium C. mercury D. potassium Loading... 13. Air is a/an A. compound B. element C. electrolyte D. mixture Loading... 14. Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products? A. Television B. Refrigerator C. Tube light D. Cooking gas Loading... 15. Permanent hardness of water can be removed by adding A. chlorine B. washing soda C. potassium permanganate D. bleaching powder Loading... 16. Which of the following does not contain a coinage metal? A. Silver and Gold B. Zinc and Gold C. Copper and Silver D. Copper and Gold Loading... 17. Marsh gas is A. nitrogen B. ethane C. methane D. hydrogen Loading... 18. Diamond is an allotropic form of A. germanium B. carbon C. silicon D. sulphur Loading... 19. LPG consists of mainly A. methane, ethane and hexane B. ethane, hexane and nonane C. methane, hexane and nonane D. methane, butane and propane Loading... 20. Balloons are filled with A. nitrogen B. helium C. oxygen D. argon Loading... 21. The most important ore of aluminum is A. galena B. calamine C. calcite D. bauxite Loading... 22. Actinides are the elements with atomic numbers from A. 97 to 104 B. 101 to 115 C. 89 to 103 D. 36 from 43 Loading... 23. Most soluble in water is A. camphor B. sulphur C. common salt D. sugar Loading... 24. From which mineral is radium obtained? A. Rutile B. Haematite C. Limestone D. Pitchblende Loading... 25. Which of the following is in liquid form at room temperature? A. Lithium B. Sodium C. Francium D. Cerium Loading... 26. Which of the following was to be discovered first in the chromospheres of the sun? A. Krypton B. Xenon C. Neon D. Helium Loading... 27. Sodium metal is kept under A. petrol B. alcohol C. water D. kerosene Loading... 28. The two elements that are frequently used for making transistors are A. boron and aluminum B. silicon and germanium C. iridium and tungsten D. niobium and columbium Loading... 29. Which of the following are the ingredients of gun metal? A. Iron, Zinc, Titanium B. Iron, tin C. Iron, Brass, Tin D. Copper, Tin Loading... 30. What is laughing gas? A. Nitrous Oxide B. Carbon monoxide C. Sulphur dioxide D. Hydrogen peroxide Loading... 31. The group of metals Fe, Co, Ni may best called as A. transition metals B. main group metals C. alkali metals D. rare metals Loading... 32. The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of A. bromine B. fluorine C. chlorine D. sulphur Loading... 33. Non stick cooking utensils are coated with A. Teflon B. PVC C. black paint D. polystyrene Loading... 34. The element common to all acids is A. hydrogen B. carbon C. sulphur D. oxygen Loading... 35. Monazite is an ore of A. titanium B. zirconium C. iron D. thorium Loading... 36. Permanent hardness of water may be removed by the addition of A. sodium carbonate B. alum C. potassium permanganate D. lime Loading... 37. Carbon, diamond and graphite are together called A. allotropes B. isomers C. isomorphs D. isotopes Loading... 38. Heavy water is A. deuterium oxide B. PH7 C. rain water D. tritium oxide Loading... 39. Potassium nitrate is used in A. medicine B. fertiliser C. salt D. glass Loading... 40. Soda water contains A. carbonic acid B. sulphuric acid C. carbon dioxide D. nitrous acid Loading... Loading...
