Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 8

EASY

JEE Main

IMPORTANT

Earn 100

The thermal stability of alkaline earth metal carbonates $- {MgCO}_{3}, {CaCO}_{3}, {SrCO}_{3}$ and ${BaCO}_{3}$ , follows the order:

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Important Questions on The s-block Elements

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 9

Which of the following compounds, on reaction with

NaOH

and

{Na}_{2} O_{2}

, gives yellow colour solution?

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 10

Aqueous solution of potash alum is:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 11

Which mixed sulphate is not an alum:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 12

Seawater contains

EASY

JEE Main

IMPORTANT

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

The most electropositive group

- II

element is

EASY

JEE Main

IMPORTANT

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

EASY

JEE Main

IMPORTANT

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

EASY

JEE Main

IMPORTANT

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

Nelson cell is used in the preparation of: