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  • Question
  • An alloy is


  • Options
  • A. a compound
  • B. an allotropic form
  • C. an isomer
  • D. a mixture

  • Correct Answer
  • a mixture 


  • Chemistry problems


    Search Results


    • 1. Which of the following is NOT a primary green house gas in the earth's atmosphere?

    • Options
    • A. Methane
    • B. Ozone
    • C. Nitrous oxide
    • D. Hydrogen
    • Discuss
    • 2. Triple point of water corresponds to

    • Options
    • A. 1 atm, 0°C
    • B. 1 atm, 0.01°C
    • C. 1 atm, 0 K
    • D. 4.58 Torr, 0.01°C
    • Discuss
    • 3. Which of the following metal is generally used for making filaments of bulb?

    • Options
    • A. W
    • B. Ag
    • C. Fe
    • D. Rh
    • Discuss
    • 4. What are long chains of Carbon Molecules called

    • Options
    • A. Ribosomes
    • B. Hydrocarbons
    • C. Polymers
    • D. None
    • Discuss
    • 5. What is the IUPAC name for the following compound? H3C-C?C-H

    • Options
    • A. Acetylene
    • B. Methyl acetylene
    • C. Butanol
    • D. Decanoic Acid
    • Discuss
    • 6. A particle which is four times in mass and two times in charge that of proton is

    • Options
    • A. helium atom
    • B. an alpha particle
    • C. deuteron
    • D. tritium
    • Discuss
    • 7. Atomic weight of an element is given by

    • Options
    • A. sum of neutrons and electrons
    • B. sum of neutrons and protons
    • C. only neutrons
    • D. only protons
    • Discuss
    • 8. Number of moles of CO2 present in 24 grams of carbon is

    • Options
    • A. 0.5
    • B. 1
    • C. 2
    • D. 0.25
    • Discuss
    • 9. Chloroform used as anaesthetic should be preserved in the dark in tightly stoppered bottles because otherwise

    • Options
    • A. it becomes coloured
    • B. it gets evaporated in air
    • C. it gets oxidised to phosgene
    • D. it gets decomposed to chloropicrin
    • Discuss
    • 10. The main element used in the vulcanisation of rubber is

    • Options
    • A. nickel
    • B. copper
    • C. sulphur
    • D. graphite
    • Discuss


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