Chemistry
Chemistry, 14.07.2019 00:20, jetblackcap

True or false although the introduction of lead into copper can increase machinability, the negative environmental impact of using lead has forced many lead-alloy substitutes to be produced.

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Select true or false: the following net ionic equation correctly shows the result of this experiment: a piece of lead metal was added to an aqueous solution of copper(ii) nitrate, and within a few minutes it was observed that the lead turned black and crumbled. the characteristic blue solution of copper(ii) ions had faded. (note: lead forms a 2+ ion when it reacts.) pb(s) + cu2+(aq) → pb2+(aq) + cu(s)
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