Statement I: Calcium oxide is a covalent substance.
Statement II: When a metal reacts with a non-metal, a covalent bond is formed.

Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1

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Both the Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.

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Statement 1 is correct but Statement 2 is not correct.

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Statement 1 is not correct but Statement 2 is correct.

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Both the Statement 1 and Statement 2 are not correct.

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Solution

The correct option is E Both the Statement 1 and Statement 2 are not correct.
Calcium oxide $(C a O)$ is an ionic compound.
When a metal reacts with a non-metal ionic bond is formed as the metal loses the electrons forming a cation and the non-metal gains the electrons forming anion.

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Similar questions

C^{4 +}

C^{4 -}

Choose the correct option based on the statements given below:

Statement 1: Carbon always shares electrons or forms a covalent bond with other elements.

Statement 2: $C^{4 +}$ and $C^{4 -}$ ions are highly unstable.

A

B

A

B

Statement 2 : The calorific value of peat is between 10.5-14.63 KJ/g.

Choose the correct option based on the statement given:

Statement 1: Carbon always shares electrons and forms covalent bond with other elements.

Statement 2: $C^{+ 4}$ and $C^{- 4}$ ions are highly unstable.

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