ben,SUMMER PROJECT,DISPLACEMENT REACTION OF COPPER SULPHATE AND IRON NAIL

[@VelanVetrevelan-i9z]

How will contact to u sir

[@westbengaleducare2620]

Pl Message me

[@VelanVetrevelan-i9z]

Copper coin apply for chemical needle will push , what type of chemical using that sir ,

[@VelanVetrevelan-i9z]

U r genius surly u know what type of chemical using the process

[@VelanVetrevelan-i9z]

Waiting for u r reply

[@westbengaleducare2620]

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