Given the Accompanying Partial Activity Series,which Element(s)will React with Acid $\rightarrow$

question 51

Multiple Choice

Given the accompanying partial activity series,which element(s) will react with acid? Zn $\rightarrow$ Zn²⁺ + 2e^-
Fe $\rightarrow$ Fe²⁺ + 2e^-
Ni $\rightarrow$ Ni²⁺ + 2e^-
H₂ $\rightarrow$ 2H⁺ + 2e^-
Cu $\rightarrow$ Cu²⁺ + 2e^-
Ag $\rightarrow$ Ag⁺ + e^-

• A) nickel
• B) copper
• C) silver
• D) nickel,copper,and silver
• E) None of these elements will react with acid.

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Definitions:

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations with its short-term assets.

Net Profit Margin

A profitability ratio calculated as net income divided by revenue, expressed as a percentage, indicating how much profit a company generates from its total sales.

Quality of Income

A measure of how easily accounting income can be converted to cash, indicating the reliability of earnings.

Gross Profit Percentage

A financial metric that represents the proportion of money left over from revenues after accounting for the cost of goods sold, expressed as a percentage.