Medium SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · . Sample A bulb glows in a circuit when the circuit is: A Open B Closed C Broken D Disconnected Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
An atom of Potassium has atomic number 19 and mass number 39. How many neutrons does it contain? SOF National Science Olympiad (NSO/ISO) . Easy · Chemistry · 2026 See Explanation
What is the junction between two neurons called, across which a nerve impulse passes chemically? SOF National Science Olympiad (NSO/ISO) . Easy · Biology · 2026 See Explanation
Calculate the momentum of a body of mass 5 kg moving with a velocity of 4 m/s. SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2025 See Explanation
An electrical appliance operates at 100 V and draws a current of 3 A. Find the power consumed. SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2025 See Explanation
What is the process called by which a thin layer of zinc is deposited on iron to prevent rusting? SOF National Science Olympiad (NSO/ISO) . Hard · Chemistry · 2026 See Explanation