Question

(i) Group ......... elements are precipitated in the form of hydrogen
phosphate by the addition of ........​

Answer 1

Explanation:

1...........

1. j
2. u
3. v
4. v.f
5. fjc
6. fmc

Answer 2

Explanation:

Hydrogen and the S-Block Ionic hydrides form when hydrogen reacts with s-block metals, not including Be and Mg. These s-block elements are found in Group 1 and Group 2 of the periodic table and are the most active metals.