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 36 - 40 of 351
Easy
. SOF National Science Olympiad (NSO/ISO) · Set D · 2025 . Sample
Q. 344
Find the mass of 4 mole(s) of nitrogen gas (N2). (Molar mass = 28 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 360
Calculate the number of moles present in 180 g of glucose (C6H12O6). (Molar mass = 180 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2026 . Sample
Q. 376
When solutions of sodium sulphate and barium chloride are mixed, a white precipitate of barium sulphate forms. What type of reaction is this?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 392
What is the pH range of acidic solutions?
Easy
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 408
Non-metal oxides dissolved in water generally form what?