Question

(40) what happens when FeS is heated.
(41) what happens when Strontium chloride is added into sodium
MAI​

Answer 1

Answer:

40) When iron filings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide (FeS). It is a new substance which has properties entirely different from Fe and S.

.. t shows the exothermic reaction of two elements, iron and sulfur, to form the compound, iron sulfide.

41) sodium carbonate (Na2CO3) is added to strontium chloride (SrCl2). The result is a white precipitate