If a frozen piece of metal is placed into a pot of boiling water, will the reaction be endothermic or exothermic, relative to the metal? (Heat flowing into the metal, or out of the metal). Explain.

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

answer; 4 electrons;