Previous Year Questions

Practice Questions

Browse and practice real questions from previous scholarship exams. Use filters to narrow down by year, subject, or exam.

Displaying 511 - 515 of 1956
Easy
. SOF National Science Olympiad (NSO/ISO) · Set A · 2026 . Sample
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Q. 355
Find the mass of 2 mole(s) of calcium carbonate (CaCO3). (Molar mass = 100 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set B · 2026 . Sample
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Q. 356
Calculate the number of moles present in 200 g of calcium carbonate (CaCO3). (Molar mass = 100 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set B · 2025 . Sample
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Q. 357
Find the mass of 2 mole(s) of sodium chloride (NaCl). (Molar mass = 58.5 g/mol)
Hard
. SOF National Science Olympiad (NSO/ISO) · Set D · 2026 . Sample
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Q. 358
Calculate the number of moles present in 90.0 g of glucose (C6H12O6). (Molar mass = 180 g/mol)
Easy
. SOF National Science Olympiad (NSO/ISO) · Set D · 2024 . Sample
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Q. 359
Find the mass of 5 mole(s) of ammonia (NH3). (Molar mass = 17 g/mol)