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  • Question
  • Atomic number of which of the following elements is greater than that of Calcium?


  • Options
  • A. Chlorine
  • B. Argon
  • C. Sulphur
  • D. Scandium

  • Correct Answer
  • Scandium 

  • Tags: Bank Exams

    Chemistry problems


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    • 1. According to Dalton?s Atomic Theory, the smallest indivisible particles of matter is called ______.

    • Options
    • A. molecule
    • B. atom
    • C. compound
    • D. element
    • Discuss
    • 2. Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

    • Options
    • A. BBr3
    • B. NH3
    • C. CH2N2
    • D. CCl2F2
    • Discuss
    • 3. Oxygen molecule is ______.

    • Options
    • A. Monoatomic
    • B. Diatomic
    • C. Triatomic
    • D. Polyatomic
    • Discuss
    • 4. Molybdenite is an ore/mineral of

    • Options
    • A. Molybdenum
    • B. Nickel
    • C. Silver
    • D. Tin
    • Discuss
    • 5. _________ gets converted to phosgene, when exposed to sunlight.

    • Options
    • A. Chloroform
    • B. Acetone
    • C. Benzene
    • D. Propylene
    • Discuss
    • 6. Which among the following is false about acids?

    • Options
    • A. They give H+ ions in aqueous solution
    • B. Most acids contain hydrogen
    • C. They turn blue litmus red
    • D. They are bad conductor of electricity in aqueous solution
    • Discuss
    • 7. Pentane has _____ structural isomers.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 8. Sphalerite is an ore/mineral of

    • Options
    • A. Mercury
    • B. Molybdenum
    • C. Silver
    • D. Zinc
    • Discuss
    • 9. Which of these is not a macronutrient for Plants?

    • Options
    • A. Nitrogen
    • B. Phosphorus
    • C. Potassium
    • D. Chlorine
    • Discuss
    • 10. Ctrl, Shift and Alt are called .......... keys.

    • Options
    • A. modifier
    • B. function
    • C. alphanumeric
    • D. adjustment
    • Discuss


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