
50 mcq questions on language of chemistry grade 9 icse
Quiz by Sara Sachin
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50 questions
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- Q11. What is the symbol for the element sodium?NaHgCaC30s
- Q22. What is the chemical symbol for gold?AuAgCuPt30s
- Q33. Which subatomic particle has a positive charge?ProtonElectronNeutronPhoton30s
- Q44. What is the atomic mass of calcium?40.08 amu55.85 amu35.45 amu20.18 amu30s
- Q55. What is the atomic mass of carbon?4.00 amu12.01 amu15.99 amu20.18 amu30s
- Q66. What is the molecular mass of water (H₂O)?12 g/mol18 g/mol16 g/mol20 g/mol30s
- Q77. What is the molecular mass of carbon dioxide (CO₂)?36 g/mol52 g/mol28 g/mol44 g/mol30s
- Q88. What is the molecular mass of methane (CH₄)?12 g/mol20 g/mol18 g/mol16 g/mol30s
- Q99. What is the molecular mass of ammonia (NH₃)?20 g/mol14 g/mol18 g/mol17 g/mol30s
- Q1010. What is the molecular mass of ethanol (C₂H₅OH)?36 g/mol52 g/mol56 g/mol46 g/mol30s
- Q1111. What is the molecular mass of nitrogen gas (N₂)?18 g/mol28 g/mol32 g/mol14 g/mol30s
- Q1212. What is the molecular mass of carbon monoxide (CO)?20 g/mol24 g/mol16 g/mol28 g/mol30s
- Q1313. What is the molecular mass of sulfuric acid (H₂SO₄)?86 g/mol74 g/mol110 g/mol98 g/mol30s
- Q1414. What is the molecular mass of glucose (C₆H₁2O₆)?180 g/mol150 g/mol120 g/mol210 g/mol30s
- Q1515. What is the molecular mass of sodium chloride (NaCl)?52.00 g/mol58.44 g/mol74.55 g/mol40.08 g/mol30s