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Class: Class 10

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Question

Elements P, Q, and R are in the same period of the modern periodic table. P readily loses its one valence electron…

13/09/2026

Question

Equal volumes of ammonia gas and chlorine gas are kept in two different containers under the same conditions of temperature and pressure.…

13/09/2026

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Differentiate between the following pairs based on the criteria given in the bracket: (a) Acetic acid and Sulphuric acid (number of replaceable…

13/09/2026

Question

Complete and balance the following equations: (a) C2H4Br2 + KOH (alcoholic) ⟶ (b) NH3 (excess) + Cl2 ⟶ (c)

13/09/2026

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Element A belongs to group 15 and period 2 of the Periodic Table. (a) Identify the element A. (b) Write the formula…

13/09/2026

Question

Study the reaction given below and answer the questions that follow: (a) Give one reason for maintaining the temperature below 200°C. (b)…

13/09/2026

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Alex was given a solution of an unknown salt Y for analysis. He performed the following tests and recorded his observations: To…

13/09/2026

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(a) Give the IUPAC name for the following organic compounds: (b) Draw the structural diagram for each of the following organic compounds:…

13/09/2026

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Complete the following sentences by choosing the correct option from the brackets: (a) The oxide that dissolves in caustic potash (KOH) is…

13/09/2026

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Match Column A with Column B: Column A Column B (a) CuO + C ⟶ Cu + CO 1. Oxidation (b) Al3+…

13/09/2026