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  • Question
  • Of the following, which element is common to all acids


  • Options
  • A. hydrogen
  • B. carbon
  • C. sulphur
  • D. oxygen

  • Correct Answer
  • hydrogen 


  • General Science problems


    Search Results


    • 1. Garampani sanctuary is located at

    • Options
    • A. Diphu, Assam
    • B. Gangtok, Sikkim
    • C. Junagarh, Gujarat
    • D. Kohima, Nagaland
    • Discuss
    • 2. The intensity of Earthquakes is measured on

    • Options
    • A. Richter scale
    • B. Secant scale
    • C. Mercalli scale
    • D. Beaufort scale
    • Discuss
    • 3. The Mudumalai National Park is located in which state ?

    • Options
    • A. Chattisgarh
    • B. Haryana
    • C. Tamil Nadu
    • D. Karnataka
    • Discuss
    • 4. Water soluble vitamin include

    • Options
    • A. vitamin C
    • B. niacin
    • C. riboflavin
    • D. all of the above
    • Discuss
    • 5. The first synthetic fibre made by man was ____ ?

    • Options
    • A. Rayon
    • B. Terycott
    • C. Polyester
    • D. Nylon
    • Discuss
    • 6. One fathom is equal to how many meters ?

    • Options
    • A. 1.7699
    • B. 2.0210
    • C. 1.8288
    • D. 2.1212
    • Discuss
    • 7. Balloons are filled with

    • Options
    • A. oxygen
    • B. nitrogen
    • C. argon
    • D. helium
    • Discuss
    • 8. What is laughing gas?

    • Options
    • A. Nitrous Oxide
    • B. Carbon monoxide
    • C. Sulphur dioxide
    • D. Hydrogen peroxide
    • Discuss
    • 9. Which of the following animals have teeth in their stomach?

    • Options
    • A. Frogs
    • B. Crabs
    • C. Snakes
    • D. Cockroach
    • Discuss
    • 10. Where is the headquarters of the United Nations Economic and Social Council (ECOSOC) ?

    • Options
    • A. Berlin
    • B. Spain
    • C. London
    • D. New York
    • Discuss


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