Try to ans this questions answer will be given next day General Science Objective Questions 1. Which of a following is not an ore of Aluminum? (A) Felsper (B) Bauxite (C) Cryolite (D) Azurite 2. Most soluble in H2O is — (A) Camphor (B) Sugar (C) Sulphur (D) Common Salt 3. Bromine is — (A) dull gas irresolvable in water (B) A rarely combustible gas (C) A Black solid. (D) A red liquid. 4. The steel used in storage batteries — (A) Iron (B) Copper (C) Lead (D) Zinc 5. Water has limit firmness during — (A) –4°C (B) 0°C (C) 4°C (D) 100°C 6. The chemial name of Uria is — (A) Aneurin (B) Chloroetane (C) Carbamide (D) None of these 7. Permanent softness of H2O can be private by adding — (A) Potassium Permanganate (B) Chlorine (C) Bleaching Powder (D) Washing Soda 8. The regulation of Plaster of Paris is — (A) CaSO4 (B) CaSO4, 2H2O (C) 2CaSO4, 4H2O (D) 2CaSO4, H2O 9. Which of a following piece is a bad transmitter of physical phenomenon though a great transmitter of heat? (A) Asbestos (B) Celluloid (C) Purspecks (D) Mica 10. Carborandum is — (A) Silicon Dioxide (B) Silicon Carbide (C) Silicon Nitride (D) Silicon Phosphide 11. Which of a following is a most appropriate transmitter of physical phenomenon ? (A) Copper (B) Mica (C) Zinc (D) Silver 12. Washing soft drink is a usual name of — (A) Calcium Carbonate (B) Calcium Bi-Carbonate (C) Sodium Carbonate (D) Sodium Bi-Carbonate 13. The strand of electric tuber is done of — (A) Iron (B) Nichrome (C) Tungsten (D) Graphite 14. Bleaching powder is done from — (A) Sulphur dioxide as well as gypsum (B) Chlorine as well as Charcoal (C) Soda charcoal as well as lime (D) Lime as well as Chlorine 15. The dual elements which have been often used for creation transistors have been — (A) Boron as well as Aluminium (B) Silicon as well as Germenium (C) Iridium as well as Tungsten (D) Niobium as well as Columbium 16. Which of a following gas is not well known as immature residence gas ? (A) Methane (B) Carbon dioxide (C) Nitrous oxide (D) CFC17. Which of a following is not a neutral oxide ? (A) Carbon Monoxide (B) Sulphur Dioxide (C) Water (D) Nitric Oxide 18. Which of a following is used in creation fume bombs ? (A) Sulphur (B) Phosphorus (C) Hydrogen (D) Carbon 19. Caustic Soda is — (A) Nacl (B) Na2CO3 (C) NaOH (D) NaHCO3 20. Chemical regulation of Water potion is — (A) Na2SiO3 (B) Al2O3 (C) NaAlO2 (D) CaSiO3 21. Which of a following is not a splotch agent? (A) Sulpher di-oxide (B) Carbon di-oxide (C) Sodium hypochlorite (D) Chlorine 22. The gas customarily filled in electric tuber is — (A) Hydrogen (B) Oxygen (C) Nitrogen (D) Carbon di-oxide 23. Heavy H2O is — (A) Tritium oxide (B) Deuterium oxide (C) Rain water (D) Water during 4°C 24. The gases used in opposite sorts of fusing or melting would embody — (A) Oxygen & Hydrogen (B) Oxygen, acetylene & argon (C) Oxygen & acetylene (D) Oxygen, hydrogen & nitrogen 25. Which of a following alloys is used for creation magnets ? (A) Duralumin (B) Stainless Steel (C) Alnico (D) Magnelium
Posted on: Thu, 20 Jun 2013 02:24:47 +0000
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