Assertion -Potassium and sodium react with water- Reason- Both - Na- and - K- liberate - H-2- on reacting with water-Both Assertion and Reason are correct and Reason is the correct explanation for AssertionBoth Assertion and Reason are correct but Reason is not the correct explanation for AssertionAssertion is correct but Reason is incorrectBoth Assertion and Reason are incorrect

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Assertion :Po...

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Assertion :Potassium and sodium react with water. Reason: Both $N a$ and $K$ liberate $H_{2}$ on reacting with water.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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H_{2}

H e

(1 + \frac{P b}{R T})

H_{2}

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Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

{SiO}_{2}

{CaCO}_{3}

CaO

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{SiO}_{2}

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