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‘SACRED HEART HR. SEC. SCHOOL,POROMPAT, ‘2ND PERIODIC TEST, 2021, , (Class :Vi Subject : Chemistry i, , The figures in the right margin indicate full marks for the questions., Attempt all questions., , Name the element which is good conductor of electric., , Q2. What si the newly compound formed when iron is oxidised in, , 828, , 88, , presence of water ?, , Name one non-metal of natural sources, , Give one base and that of one mineral acid., , Give reason why aluminium foils are used to wrap food items, Why are sodium and potassium stored in kerosine ?, , What happens when iron nails are placed in copper sulphate, solution ? Write both word equation and symbolic equation of, the reaction involved., , Write two physical properties of metals and two uses of it., , 1, 1, 1, 1, 2, 2, , 2, 3
