Question

. The symbol for calcium is Ca, the symbol for sulfur is S, and the symbol for
Calcium sulfide CaS. Which of the following best describes this chemical reaction?
Ca (s) + S (s) --> CaS (s)?

(a) Cobalt combined with sulfur forms calcium sulfide.
(b) Calcium combined with sulfur forms calcium sulfide.
(c ) Carbon combined with sulfur forms calcium sulfide.
(d) Cadmium combined with sulfur forms calcium sulfide.

Answer 1

Answer:

(b)

Explanation:

calcium combined with sulphur forms only calcium sulphide

Answer 2

Answer:

b

Explanation:

the reaction is simple when ca react with sulfer the definatly it makes cas calsium sulfide