The p-Block Elements

Bihar Board Class 12 · Chemistry · 73 past questions

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1. Q10 2026 Set A2019 Set D

   Which of the following gases cannot be collected over water ?

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2. Q41 2019 Set D

   PCl$_5$ is a -

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3. Q42 2019 Set D

   The formula of Nitric acid is -

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4. Q43 2019 Set D

   H$_2$SO$_4$ is a -

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5. Q44 2019 Set D

   Nitrogen & Oxygen are -

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6. Q45 2019 Set D

   White and yellow phosphorous are -

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7. Q46 2019 Set D

   The hybridisation of N in $NH_3$ is -

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8. Q47 2019 Set D

   Which of the following gas is mono-atomic?

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9. Q48 2019 Set D

   Nitric acid is prepared by -

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10. Q49 2019 Set D

    Oleum is composed of H$_2$SO$_4$ and which constituent?

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11. Q50 2019 Set D

    Ammonia changes the moist red litmus paper into -

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