Chemical Reactions and Equations

Bihar Board Class 10 · Science · 19 past questions

4 of 19 · show all

1. Q11 2022

   The reaction, $CaO + H_2O \rightarrow Ca(OH)_2$ is of which type ?

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2. Q12 2022

   What is the ratio of number of atoms of hydrogen and oxygen in a molecule of water ?

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3. Q13 2022

   What is the colour of silver iodide ?

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4. Q14 2022

   Respiration is which type of chemical reaction ?

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