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 176 - 180 of 351
Hard
. SOF National Science Olympiad (NSO/ISO) · Set A · 2025 . Sample
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Q. 333
An electrical appliance operates at 10 V and draws a current of 1 A. Find the power consumed.
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2025 . Sample
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Q. 349
Calculate the number of moles present in 58.5 g of sodium chloride (NaCl). (Molar mass = 58.5 g/mol)
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2025 . Sample
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Q. 365
A neutral atom of Fluorine has atomic number 9. How many electrons does it contain?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set B · 2026 . Sample
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Q. 381
Balance the equation: __N2 + __H2 → __NH3
Hard
. SOF National Science Olympiad (NSO/ISO) · Set B · 2024 . Sample
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Q. 397
What colour does red litmus paper turn when dipped in a basic solution?