Alkali metals show -

Alkali metals salts are -

In aqueous solution, the largest ion is -

On flame test K give ......... colour -

Which one is the highest melting halide ?

Alkali metals give colour in Bunsen flame due to

Sodium reacts with water more vigorously than
lithium because it has

Glauber’s salt is -

The material used in photoelectric cells
contains-

A solution of sodium in liquid ammonia is blue
due to the presence of -

Washing soda is -

Baking soda is -

NaNO3

on heating gives -

Sodium has ........ as compared to potassium-

Chile salt-petre is -

An element having electronic configuration 1s2
2s2
2p6
, 3s2
, 3p6
, 4s1
will form -

Which does not exists in solid state -

The sodium carbonate is manufactured by -

Which of the following alkali metal carbonate is
the least stable and decomposes readily

Li does not resemble other alkali metals in
following properties

Causticisation is used for the preparation of -

The name oxone is given to

In the Castner process for the extraction of
sodium, the anode is made of -

Which one does not form a peroxide on heating
in air

LiNO3

on heating gives -

Which of the following does not give flame
colouration -

The hydration energy of Mg2+ is greater than
that of

Which of the following carbonates is least stable

Crude common salt is hygroscopic because of
impurities of

The correct order of hydration energy of alkaline
earth metal ions is

Mg is present in -

Dolomite is -

The minimum equivalent conductance in fused
state is shown by

Which of the following hydrides is not ionic -

Which of the following is an amphoteric oxide

Of the following the commonly used as a
laboratory desiccator is -

The chemical composition of carnallite is -

Which of the alkaline earth metal sulphates is
the least soluble ?

Sodium peroxide in contact with moist air turns
white due to the formation of -

The pair whose both species are used in antacid
medicinal preparations is -

Atomic radii of alkali metals (M) follow the order
: Li < Na < K < Rb but ionic radii in aqueous
solution follow the reverse order Li+
> Na+
> K+

> Rb+
. The reason for the reversed order is -

The following compounds have been arranged
in order of their increasing thermal stabilities
identify the correct order -
BaCO3
(I) MgCO3
(II)

CaCO3
(III) BeCO3
(IV)

KO2
is -

Which of the following statement is false for
alkali metals ?

The increasing order of solubility is -

In India at the occasion of marriages, the fire
works used give green flame. Which one of the
following radicals may be present ?

Soda lime is -

In the Down’s method for the extraction of
sodium, the melting point of the electrolyte is
lowered by adding

Common table salt becomes moist and does
not pour easily in rainy season because -

The reducing property of alkali metals follows
the order -