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  • Question
  • What does airbag, used for safety of car driver, contain?


  • Options
  • A. Sodium bicarbonate
  • B. Sodium azide
  • C. Sodium nitrite
  • D. Sodium peroxide

  • Correct Answer
  • Sodium azide 


  • General Science problems


    Search Results


    • 1. The weight of an object will be minimum when it is placed at ?

    • Options
    • A. The North Pole
    • B. The South Pole
    • C. The Equator
    • D. The center of the Earth
    • Discuss
    • 2. As you go down into a well, your weight

    • Options
    • A. increases slightly
    • B. decreases slightly
    • C. remains exactly the same
    • D. None of the above
    • Discuss
    • 3. The blue colour of the clear sky is due to

    • Options
    • A. Diffraction of light
    • B. Dispersion of light
    • C. Reflection of light
    • D. Refraction of light
    • Discuss
    • 4. Which one of the following types of waves are used in a night vision apparatus?

    • Options
    • A. Radio waves
    • B. Microwaves
    • C. Infra-red waves
    • D. None of the above
    • Discuss
    • 5. The Ghatampur thermal power plant recently approved by Cabinet is to be setup in

    • Options
    • A. Rajasthan
    • B. Uttar Pradesh
    • C. Karnataka
    • D. Madhya Pradesh
    • Discuss
    • 6. In fireworks, the green flame is produced because of

    • Options
    • A. Sodium
    • B. Potassium
    • C. Barium
    • D. Mercury
    • Discuss
    • 7. Potassium Permanganate is used for purifying drinking water, because

    • Options
    • A. it is a sterilising agent
    • B. it dissolves the impurities of water
    • C. it is a reducing agent
    • D. it is an oxidising agent
    • Discuss
    • 8. Which of the following parts of the sun is easily visible only during a total solar eclipse?

    • Options
    • A. core
    • B. photosphere
    • C. sunspots
    • D. corona
    • Discuss
    • 9. Which of the following is used in pencils?

    • Options
    • A. Silicon
    • B. Phosphorous
    • C. Graphite
    • D. Charcoal
    • Discuss
    • 10. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is

    • Options
    • A. O positive
    • B. A positive
    • C. B positive
    • D. Cannot be determined on the basis of the given data
    • Discuss


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