Chemical Reactions and Equations

Bihar Board Class 10 · Science · 19 past questions

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1. Q7 2023

   The reaction in which ions are exchanged is called

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2. Q8 2023

   Which of the following equations is not balanced?

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3. Q9 2023

   Which one of the following reactions occurs in the formation of curd from milk?

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4. Q10 2023

   $\mathrm{Fe_2O_3 + 2Al \rightarrow Al_2O_3 + 2Fe}$ is which of the following types of reaction?

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