Sulphide ion is soft base and its ores are common for metals. (a) Pb (b) Al (c) Ag (d) Mg Choose the correct answer from the options given below

Question

Sulphide ion is soft base and its ores are common for metals. (a) Pb (b) Al (c) Ag (d) Mg Choose the correct answer from the options given below (A) (a) and (c) only (B) (a) and (d) only (C) (a) and (b) only (D) (c) and (d) only

Tardigrade Admin · Accepted Answer

Pb and Ag commonly exist in the form of sulphideore like PbS (galena) and A g2 S (Argentite) 'Al' is mainly found in the form of oxide orewhereas 'Mg' is found in the form of halide ore.

Q. Sulphide ion is soft base and its ores are common for metals.
(a) $P b$
(b) $A l$
(c) $A g$
(d) $M g$
Choose the correct answer from the options given below

(a) and (c) only

(a) and (d) only

(a) and (b) only

(c) and (d) only

$P b$ and $A g$ commonly exist in the form of sulphideore like $P b S$ (galena) and $A g_{2} S$ (Argentite)
' $A l$ ' is mainly found in the form of oxide orewhereas ' $M g$ ' is found in the form of halide ore.

Q. Sulphide ion is soft base and its ores are common for metals. (a) Pb (b) Al (c) Ag (d) Mg Choose the correct answer from the options given below