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 501 - 505 of 1956
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 345
Calculate the number of moles present in 14.0 g of nitrogen gas (N2). (Molar mass = 28 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 346
Find the mass of 1 mole(s) of methane (CH4). (Molar mass = 16 g/mol)
Hard
. SOF National Science Olympiad (NSO/ISO) · Set D · 2024 . Sample
Q. 347
Calculate the number of moles present in 9.0 g of water (H2O). (Molar mass = 18 g/mol)
Easy
. SOF National Science Olympiad (NSO/ISO) · Set D · 2025 . Sample
Q. 348
Find the mass of 4 mole(s) of water (H2O). (Molar mass = 18 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2025 . Sample
Q. 349
Calculate the number of moles present in 58.5 g of sodium chloride (NaCl). (Molar mass = 58.5 g/mol)