Chemical Reactions and Equations

CBSE Class 10 · Science · 31 past questions

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1. Q27 2023

   When aqueous solutions of potassium iodide and lead nitrate are mixed, an insoluble substance separates out.…

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2. Q28 2023

   A metal ribbon 'X' burns in oxygen with a dazzling white flame forming a white ash 'Y'. The correct…

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3. Q29 2023

   Q. No. 17 to 20 are Assertion – Reasoning based questions. These consist of two statements – Assertion (A)…

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4. Q30 2023

   Which of the following is an example of endothermic process ?

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5. Q31 2023

   In order to balance the following chemical equation, the values of the coefficients x and y respectively are…

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