Question

3. Name the substance which remains in a test tube after heating ferrous sulphate.

plss answer me​

Answer 1

Answer:

ferric oxide

So, the correct response is Fe2O3, that is ferric oxide which is reddish brown in colour and stays in a test tube subsequent to warming ferrous sulphate.

Answer 2

$\tt \huge{\tt Heating\:of\:ferrous\:sulphate} \\ \\ \tt Molecular\: formula \: of \: ferrous \: sulphate : FeS{O}_{4} \\ \\ \tt On\:heating \\ \\ \tt 2FeS{O}_{4} \longrightarrow 2{Fe}_{2}{O}_{3} + S{O}_{2} + S{O}_{3} \\ \\ \tt S{O}_{2} \:and\: S{O}_{3} \:are\:gases\:and\:hence\:evolved\:out \\ \\ \tt \boxed{\underline{\red { \tt Hence \: {Fe}_{2}{O}_{3} \:remains\:in\:test\:tube }}}$