(A) Alkali metals belong to Group $1$ of the periodic table.Their general valence shell electronic configuration is $ns^1$.Therefore,they have $1$ val

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(A) Alkali metals belong to Group $1$ of the periodic table.Their general valence shell electronic configuration is $ns^1$.Therefore,they have $1$ valence electron.

Class 11 Chemistry s-Block Elements Alkali metals

Easy

Valency electrons in alkali metals are

A
$1$
B
$7$
C
$4$
D
$2$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

s-Block Elements

Subtopic

Alkali metals

The highly reactive alkali metals are kept in

Easy

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The reaction between sodium and water can be made less vigorous by

MediumKCET 2012

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Match the following:

Compound Uses

$1$. $CaCO_3$ $a$. In preparation of oils and fats

$2$. $NaOH$ $b$. As an antiseptic

$3$. $Ca(OH)_2$ $c$. As an antacid

$4$. $NaHCO_3$ $d$. For making bleaching powder

Compound	Uses
$1$. $CaCO_3$	$a$. In preparation of oils and fats
$2$. $NaOH$	$b$. As an antiseptic
$3$. $Ca(OH)_2$	$c$. As an antacid
$4$. $NaHCO_3$	$d$. For making bleaching powder