The s-Block Ele...

For the alkali metals, which of the following increases atomic number ?

Which of the following compounds is formed when sodium burns in excess supply of air ?

Match List-I with List-II and select the correct answer using the codes given below the lists:
(A) $$BaSO_{4} + ZnS$$                     (1) Explosive
(B) $$NI_{3}$$                                      (2) Oxidiser in rocket propellants
(C) $$N_{2}O_{4}$$                                   (3) Space capsule
(D) $$KO_{2}$$                                     (4) Pigment

Mg and Li are similar in their properties due to 

The solubility in water of sulphates down the Be group is $$ be > Mg > Ca >Sr > Ba $$ This is due to 

Which of the following statement is incorrect?

Which of the following will have the largest size in water?

The solubility of II group hydroxides increases with molecular weight. This is because:

A substance which gives brick red colour in flame test and breaks down on heating to give oxygen and a brown gas is :

Arrange the following elements in the increasing order of their atomic radii: