Chemical Reactions and Equations

CBSE Class 10 · Science · 31 past questions

11 of 31 · show all

1. Q16 2024

   Solid Calcium oxide reacts vigorously with water to form Calcium hydroxide accompanied by the liberation of…

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2. Q17 2024

   Select from the following a process in which a combination reaction is involved…

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3. Q18 2024

   Identify the correct statement about the following reaction…

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4. Q19 2024

   Identify the product 'X' obtained in the following chemical reaction…

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5. Q20 2024

   Consider the following Chemical equation…

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6. Q21 2024

   Which one of the following reactions is different from the remaining three ?

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7. Q22 2024

   When magnesium ribbon is burnt in air, an ash of white colour is produced. Write chemical equation for the…

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8. Q23 2024

   When 2 mL of sodium hydroxide solution is added to few pieces of granulated zinc in a test tube and then…

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9. Q24 2024

   Select from the following a decomposition reaction in which source of energy for decomposition is light…

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10. Q25 2024

    MnO$_2$ + 4HCl $\to$ MnCl$_2$ + 2H$_2$O + Cl$_2$…

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11. Q26 2024

    Name the type of chemical reaction in which calcium oxide reacts with water. Justify your answer by giving…

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