Substance 3 Is most likely to be a Metal for Its malleability and conductive properties.
An electromagent is being shown. Because the picture is showing how to put the lightnulb in and where it is
Litmus paper turns red in acidic conditions whether its blue or red litmus ,its not NH3 (ammonia) , neither is it barium hydroxide (A) , sodium hydroxide (B) will make it blue or remain blue (depemding on type of paper used ) so it has to be D which is the chemjcal formula for acetic acid , hope this helps !
