Question

The properties of alkali metals are mentioned is List-I. Match their order of change as present in List-II.

Answer 1

A=1

Light colored non-metallic minerals such as feldspar, calcite or baryte.

Baryte ($BaS{O}_4$) the main source of barium is also called heavy spar.

B=2

Celestite also called as Celestine is a strontium sulfate ($SrS{O}_4$) mineral first reported in 1790.

C=3

Aragonite is a carbonate mineral, one of the three most naturally occurring crystal forms of $CaC{O}_3$.

D=4

Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula $B{e}_{3}A{l}_{2}S{i}_6{O}_{18}$