Easy SOF National Science Olympiad (NSO/ISO) · Set C · 2026 . Sample Which of these is used to test for the presence of carbon dioxide gas? A Litmus paper turns red B Copper sulphate turns from blue to white C Lime water turns milky D A burning splint gives a pop sound Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
A body starts with initial velocity 0 m/s and moves with uniform acceleration 4 m/s². Find the distance it covers in 2 s. SOF National Science Olympiad (NSO/ISO) . Easy · Physics · 2025 See Explanation
Find the mass of 4 mole(s) of nitrogen gas (N2). (Molar mass = 28 g/mol) SOF National Science Olympiad (NSO/ISO) . Easy · Chemistry · 2025 See Explanation
Which blood vessels carry oxygenated blood from the heart's left ventricle to the rest of the body? SOF National Science Olympiad (NSO/ISO) . Easy · Biology · 2025 See Explanation
Which organelle is known as the 'powerhouse of the cell' because it is the site of aerobic respiration and ATP production? SOF National Science Olympiad (NSO/ISO) . Easy · Biology · 2024 See Explanation
A machine does 100 J of work in 5 seconds. Find its power. SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2025 See Explanation