Question

1 point 21. In the diagram given below the three metals P, Q,& Rare added to three different test tubes containing dilute hydrochloric acid , the metals that reacts with dilute acid are. * Bubbi es of hydro gen Dilute Hydrochloric Dilute Hydro chloric acid acid Dilute Hydroc hloric acid Metal P Metal Q Metal R a. Metal P&R b. Metal Q&P c. Only Metal R d. Metal Q&R​

Answer 1

answer:-

metal q and r

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Answer 2

Answer:

Four metals P, Q, R and S are all obtained by the reduction of their oxides with carbon. Metal P is used to form a thin layer over the sheets of metal S to prevent its corrosion. Metal Q is used for electroplating tiffin boxes made of metal S whereas metal R is used in making car batteries. Metals Q and R form an alloy called solder. What are metals P, Q, R and S? How have you arrived at this conclusion?

Explanation:

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