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50 mcq questions on language of chemistry grade 9 icse

Quiz by Sara Sachin

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50 questions
Show answers
  • Q1
    1. What is the symbol for the element sodium?
    Na
    Hg
    Ca
    C
    30s
  • Q2
    2. What is the chemical symbol for gold?
    Au
    Ag
    Cu
    Pt
    30s
  • Q3
    3. Which subatomic particle has a positive charge?
    Proton
    Electron
    Neutron
    Photon
    30s
  • Q4
    4. What is the atomic mass of calcium?
    40.08 amu
    55.85 amu
    35.45 amu
    20.18 amu
    30s
  • Q5
    5. What is the atomic mass of carbon?
    4.00 amu
    12.01 amu
    15.99 amu
    20.18 amu
    30s
  • Q6
    6. What is the molecular mass of water (H₂O)?
    12 g/mol
    18 g/mol
    16 g/mol
    20 g/mol
    30s
  • Q7
    7. What is the molecular mass of carbon dioxide (CO₂)?
    36 g/mol
    52 g/mol
    28 g/mol
    44 g/mol
    30s
  • Q8
    8. What is the molecular mass of methane (CH₄)?
    12 g/mol
    20 g/mol
    18 g/mol
    16 g/mol
    30s
  • Q9
    9. What is the molecular mass of ammonia (NH₃)?
    20 g/mol
    14 g/mol
    18 g/mol
    17 g/mol
    30s
  • Q10
    10. What is the molecular mass of ethanol (C₂H₅OH)?
    36 g/mol
    52 g/mol
    56 g/mol
    46 g/mol
    30s
  • Q11
    11. What is the molecular mass of nitrogen gas (N₂)?
    18 g/mol
    28 g/mol
    32 g/mol
    14 g/mol
    30s
  • Q12
    12. What is the molecular mass of carbon monoxide (CO)?
    20 g/mol
    24 g/mol
    16 g/mol
    28 g/mol
    30s
  • Q13
    13. What is the molecular mass of sulfuric acid (H₂SO₄)?
    86 g/mol
    74 g/mol
    110 g/mol
    98 g/mol
    30s
  • Q14
    14. What is the molecular mass of glucose (C₆H₁2O₆)?
    180 g/mol
    150 g/mol
    120 g/mol
    210 g/mol
    30s
  • Q15
    15. What is the molecular mass of sodium chloride (NaCl)?
    52.00 g/mol
    58.44 g/mol
    74.55 g/mol
    40.08 g/mol
    30s

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