Glossary Index Use the figure below to answer questions 6 and 7 METALS Most A Li

Question

Glossary Index Use the figure below to answer questions 6 and 7 METALS Most A Lithium active Potassium Calcium Sodium Aluminum Manganese Zinc Iron Tin Lead Copper Silver Platinum Gold Least active 6. Which of these metals would you expect to be found in nature as a deposit of a relatively pure element? A. aluminumC. silver B. lithium D. iron 7. Which metal would most likely replace lead in a solution? A. potassium B. copper C. s D. gold In the chemical reactions leading to food spoil- food preservatives play?

Explanation / Answer

6.

Silver, platinum and gold are least active metal, thus these are present in nature as pure elements.

Hence the correct answer is C. silver.

7.

Potassium metal would most likely replace lead in a solution, because a metal which present on the top of activity series will replace metal which are present in lower side of activity series.

Here SILVER, GOLD and COPPER are present lower side to the lead while K is present on higher active side.

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