Write the correct statements: Metals like potassium, sodium and calcium on heating react with steam to form their respective oxides and hydrogen gas.

Metals like potassium, sodium and calcium on heating react with steam to form their respective oxides and hydrogen gas.

Write the correct statements: Metals like potassium, sodium and c…

Define exothermic reaction with example.

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Classify the following as a physical or a chemical change. Burning of paper

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Write the correct statements:
The reaction between magnesium and oxygen is an endothermic reaction.

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State the electronic configuration for each of the following : Boron $[P = 5]$

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What happens when a lit splinter is introduced into a jar containing carbon dioxide ?

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Write balanced chemical equations for the following word equation: Calcium oxide $+$ water $\rightarrow$ Calcium hydroxide

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The gas which has now replaced hydrogen in air balloons $.........$ is $[$largon, helium, neoni$]$

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Write the correct statements:
Alpha-particles are nuclei of hydrogen.

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What do you understand by the following terms:
(c) Nuclear fission

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Complete the reactions and balance them. $\text{CuO} + CO \rightarrow$

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