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  • Question
  • Bauxite is an ore/mineral of


  • Options
  • A. Aluminium
  • B. Beryllium
  • C. Lead
  • D. Tin

  • Correct Answer
  • Aluminium 

  • Tags: Bank Exams

    Chemistry problems


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    • 1. The mass of proton and mass of ________ is same.

    • Options
    • A. Neutron
    • B. Electron
    • C. Isoprone
    • D. Alpha particle
    • Discuss
    • 2. The elements known as primary nutrients for plants

    • Options
    • A. Nitrogen, Phosphorus and Potassium
    • B. Nitrogen, Oxygen and Silicon
    • C. Potassium, Boron and Nitrogen
    • D. Nitrogen, Phosphorus and Iron
    • Discuss
    • 3. Which among the following will be a negative ion?

    • Options
    • A. If it has more electrons than protons
    • B. If it has more electrons than neutrons
    • C. If it has more protons than electrons
    • D. If it has more protons than neutrons
    • Discuss
    • 4. Isobars have _______.

    • Options
    • A. Same mass numbers but different atomic numbers
    • B. Different mass numbers but same atomic numbers
    • C. Same mass and atomic numbers
    • D. Different mass and atomic numbers
    • Discuss
    • 5. The absolute zero is a temperature at which _______

    • Options
    • A. molecular motion in a gas would cease
    • B. water freezes
    • C. all gases become liquid
    • D. all gases become solid
    • Discuss
    • 6. What happens in an oxidation reaction?

    • Options
    • A. Protons are lost.
    • B. Electrons are lost
    • C. Neutrons are lost.
    • D. Electrons are gained.
    • Discuss
    • 7. __________gives hardness to stainless steel.

    • Options
    • A. Zinc
    • B. Carbon
    • C. Lead
    • D. Tin
    • Discuss
    • 8. Which of the following is not soluble in water?

    • Options
    • A. Lead sulphate
    • B. Zinc sulphate
    • C. Potassium sulphate
    • D. Sodium sulphate
    • Discuss
    • 9. Haematite is an ore/mineral of

    • Options
    • A. Zinc
    • B. Iron
    • C. Lead
    • D. Manganese
    • Discuss
    • 10. What is the chemical formula of aluminium nitride?

    • Options
    • A. AlN
    • B. Al2N
    • C. AlN2
    • D. AlN3
    • Discuss


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