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 21 - 25 of 351
Medium
. SOF National Science Olympiad (NSO/ISO) · Set D · 2025 . Sample
Q. 322
The repeated reflection of sound that persists after the source has stopped producing sound is called what?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set D · 2025 . Sample
Q. 338
An electrical appliance operates at 20 V and draws a current of 3 A. Find the power consumed.
Medium
. SOF National Science Olympiad (NSO/ISO) · Set D · 2025 . Sample
Q. 354
Find the mass of 4 mole(s) of sodium chloride (NaCl). (Molar mass = 58.5 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set D · 2024 . Sample
Q. 370
An atom of Carbon has atomic number 6 and mass number 12. How many neutrons does it contain?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set A · 2026 . Sample
Q. 386
When magnesium ribbon is burnt in air, it forms magnesium oxide. What type of reaction is this?