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  • Question
  • Which of the following statement(s) is/are INCORRECT regarding Phosphorus?


  • Options
  • A. Phosphorus reacts vigorously with water
  • B. It is a non-metal
  • C. It catches fire on reacting with air
  • D. It is found in group 15 of the modern periodic table

  • Correct Answer
  • Phosphorus reacts vigorously with water 

  • Tags: Bank Exams

    Chemistry problems


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    • 1. ___________ is obtained by evaporation of sea.

    • Options
    • A. Sugar
    • B. Iron
    • C. Salt
    • D. Steel
    • Discuss
    • 2. Which among the following difference between aerobic and anaerobic respiration is INCORRECT?

    • Options
    • A. Aerobic respiration takes place in presence of oxygen ? Anaerobic respiration takes place in the absence of oxygen
    • B. In Aerobic respiration pyruvate is broken down into ethanol and carbon dioxide ? In Anaerobic respiration pyruvate is broken down into carbon dioxide and water
    • C. In Aerobic respiration more energy is released ? In Anaerobic respiration less energy is released
    • D. Aerobic respiration takes place in mitochondria? Anaerobic respiration takes place in yeast
    • Discuss
    • 3. Which of the following statement is INCORRECT regarding Sodium?

    • Options
    • A. Sodium reacts vigorously with oxygen and water
    • B. A lot of heat is generated when sodium reacts with water and oxygen
    • C. It is stored in kerosene
    • D. It is a non-metal
    • Discuss
    • 4. The Chemical formula of Ammonium nitrate is ___________.

    • Options
    • A. (NH2)2NO3
    • B. NH4NO3
    • C. NH4(NO3)2
    • D. NH2NO3
    • Discuss
    • 5. NaHCO3 is chemical formula for ___________.

    • Options
    • A. Borax
    • B. Vinegar
    • C. Lime
    • D. Baking soda
    • Discuss
    • 6. Chemical formula for sulphurous acid is:

    • Options
    • A. H2SO4
    • B. H2SO3
    • C. H3SO3
    • D. H3SO4
    • Discuss
    • 7. The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.

    • Options
    • A. Crystallisation
    • B. Melting point
    • C. Evaporation
    • D. Galvanisation
    • Discuss
    • 8. Alpha particles are ___________.

    • Options
    • A. twice the mass of beta particles
    • B. negatively charged
    • C. just like helium nuclei
    • D. lower in ionizing power as compared to gamma rays
    • Discuss
    • 9. Which of the following elements has the lowest melting point?

    • Options
    • A. Oxygen
    • B. Gold
    • C. Silver
    • D. Manganese
    • Discuss
    • 10. What is the full form of PVC?

    • Options
    • A. Phosphonil vinyl Carbonate
    • B. Polyvinyl S Carbonate
    • C. Polyvinyl Carbonate
    • D. Polyvinyl Chloride
    • Discuss


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