Class 10 Olympiads — Class 10 Science Olympiad - Sample papers
Science Olympiad Class 10 - Sample question paper 04
NSTSE official sample paper: Q1) The reaction between hydrochloric acid and sodium hydroxide releases more heat energy than the reaction between ethanoic acid and sodium hydroxide. What is the reason for this difference in heat energy released? Q2) In a neutralisation reaction, sodium hydroxide is neutralised by sulfuric acid. What would be the products of this neutralisation ?
Science Olympiad Class 10 - Sample question paper 03
ICAS Official sample paper: Q1) A supernova shows both hydrogen and helium lines in its spectrum but the helium lines are much stronger than the hydrogen lines. What type of supernova is it?
Q2) A student takes a beaker of carbon dioxide gas at room temperature and tips it over the top end of a folded piece of paper held near the flame of a candle. She observes that the flame flickers and goes out.Science Olympiad Class 10 - Sample question paper 02
iOS official sample paper: Q1) If 100 J of energy is available at the producer level, calculate the amount of energy available to hawk in the following food chain. Green plants → Grasshopper → Frog → Snake → Hawk. Q2) pH values of four solutions A, B, C and D are 7, 8, 9, 10 respectively. Put them in a sequence according to their nature.
Science Olympiad Class 10 - Sample question paper 01
NSO official sample question paper: Q1) The given graph shows the hormonal changes during a normal menstrual cycle. What would be a likely consequence if the hormone represented by graph Q is lacking in an adult female? Q2) The given figure shows the phenomenon of recombination of the spectrum of white light using two prisms. If V, I, B, Y, O and R denote violet, indigo, blue, yellow, orange and red colours respectively, then which of the following options correctly lists the colour of marked rays?