logo

CuriousTab

CuriousTab

Discussion


Home General Knowledge Chemistry Comments

  • Question
  • Anions are formed by _____.


  • Options
  • A. losing of electrons
  • B. gaining of electrons
  • C. gaining of neutrons
  • D. losing of neutrons

  • Correct Answer
  • gaining of electrons 

  • Tags: Bank Exams

    Chemistry problems


    Search Results


    • 1. Process of loosing electrons is known as _____.

    • Options
    • A. oxidation
    • B. reduction
    • C. radiation
    • D. both oxidation and reduction
    • Discuss
    • 2. Ozone is an ______ of oxygen.

    • Options
    • A. Allotrope
    • B. Isotope
    • C. Isobar
    • D. Isotone
    • Discuss
    • 3. A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.

    • Options
    • A. Six months
    • B. Ten months
    • C. Twelve Months
    • D. Twenty four months
    • Discuss
    • 4. Chemical composition of cement is

    • Options
    • A. Limestone and Clay
    • B. Limestone, Clay and Gypsum
    • C. Limestone and Gypsum
    • D. Clay and Gypsum
    • Discuss
    • 5. The most abundant element in the earth's atmosphere is

    • Options
    • A. Argon
    • B. Nitrogen
    • C. Oxygen
    • D. Krypton
    • Discuss
    • 6. What is the chemical formula for Sodium Chloride (Salt)?

    • Options
    • A. NaCl2
    • B. NaCl
    • C. Na2Cl
    • D. Na2C
    • Discuss
    • 7. What is an endothermic reaction?

    • Options
    • A. Reaction in which heat is released.
    • B. Reaction in which heat is absorbed.
    • C. Reaction in which neither heat is released nor absorbed.
    • D. None of these
    • Discuss
    • 8. Which of the following is an ore of Aluminium?

    • Options
    • A. Galena
    • B. Cryollite
    • C. Cinnabar
    • D. Epsom Salt
    • Discuss
    • 9. Which of the following gas was released during Bhopal gas tragedy?

    • Options
    • A. Methyl isocyanate
    • B. Sodium isothiocyanate
    • C. Nitrogen isothiocyanate
    • D. Potassium isothiocyanate
    • Discuss
    • 10. Nylon threads are made of

    • Options
    • A. Polyester polymer
    • B. Polyamide polymer
    • C. Polyvinyl polymer
    • D. Polysaccharide
    • Discuss


    Comments

    There are no comments.

Enter a new Comment