Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 13

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The most electropositive group $- II$ element is

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Important Questions on The s-block Elements

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 14

A metal '

M

' forms water-soluble sulfate and water-insoluble hydroxide

M {(OH)}_{2}

. Its oxide

MO

is amphoteric and possesses a high melting point. The metal

M

is

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 15

Powdered beryllium burns brilliantly on ignition in the air to give

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 16

Nelson cell is used in the preparation of:

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 17

Which of the following carbide is ionic?

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 18

The oxidation number of oxygen in

{Na}_{2} O_{2}

is

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 19

Which of the following carbonates decomposes at lowest temperature?

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 20

Among

LiCl, RbCl, {BeCl}_{2}

and

{MgCl}_{2}

the compound with greatest and least ionic character respectively are _______.

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 21

Which is amphoteric?