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  • Question
  • The oil used in the froth floatation process is


  • Options
  • A. coconut oil
  • B. olive oil
  • C. kerosene oil
  • D. pine oil

  • Correct Answer
  • pine oil 


  • Chemistry problems


    Search Results


    • 1. The number of moles of solute present in 1 kg of a solvent is called its

    • Options
    • A. molality
    • B. molarity
    • C. normality
    • D. formality
    • Discuss
    • 2. The inert gases are ____ in water

    • Options
    • A. sparingly soluble
    • B. insoluble
    • C. soluble
    • D. None of these
    • Discuss
    • 3. The inexpensive and commonly used variety of glass is called soda glass. It is called so because

    • Options
    • A. was used initially for making bottles of soda(carbonated drink)
    • B. is made using soda(sodium carbonate)
    • C. was initially used for storing sodium carbonate
    • D. is made using soda lime
    • Discuss
    • 4. The most electropositive elements among the following is

    • Options
    • A. Na
    • B. Ca
    • C. K
    • D. Cs
    • Discuss
    • 5. The gas used for artificial ripening of green fruit is

    • Options
    • A. ethylene
    • B. ethane
    • C. carbon dioxide
    • D. acetylene
    • Discuss
    • 6. The heat energy produced when the human body metabolises 1 gram of fat is

    • Options
    • A. 30 KJ
    • B. 1 KJ
    • C. 39 KJ
    • D. 29 KJ
    • Discuss
    • 7. The most abundant rare gas in the atmosphere is

    • Options
    • A. He
    • B. Ne
    • C. Ar
    • D. Xe
    • Discuss
    • 8. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

    • Options
    • A. 2.05 gram
    • B. 3.05 gram
    • C. 4.05 gram
    • D. 5.05 gram
    • Discuss
    • 9. The most malleable metal is

    • Options
    • A. platinum
    • B. silver
    • C. iron
    • D. gold
    • Discuss
    • 10. The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is

    • Options
    • A. Dalton's law
    • B. Gay Lussac's law
    • C. Henry's law
    • D. Raoult's law
    • Discuss


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