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ISSB Initial Tests - Academic Test - Chemistry - Fundamental of Chemistry - Quiz 3

Practice 10 high yield MCQs on Chemistry from Chapter Fundamental of Chemistry for Academic Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 3 of the series.

21. The mass of 1 molecule of water is:



22. The volume occupied by 1 mole of any gas at STP is known as:



23. The number of oxygen atoms in 1 mole of K₂Cr₂O₇ is:



24. The formula mass of NaCl is:



25. The number of moles in 64 g of SO₂ is:



26. The mass of 0.5 mole of oxygen gas is:



27. The number of moles of CO₂ that contains 6.02×10²³ molecules is:



28. The percentage of nitrogen in NH₃ is:



29. The empirical formula of glucose is:



30. The number of atoms present in 0.5 mole of helium is:



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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