Question

Gold and silver are called noble metals because:

• A. they do not react in their natural environment normally
• B. ladies of royalty wear them as jewellery
• C. they are worn by noblemen
• D. even acids cannot dissolve them without strong heat

Answer 1

The correct option is A they do not react in their natural environment normally

$\begin{array}{c}\text{Gold and silver do not react readily with any other elements}\\ \text{in their natural environment normally.}\end{array}$

$\begin{array}{c}\text{Due to this, gold and silver are found in free state in Earth's}\\ \text{crust.}\\ \text{so, they are called noble metals.}\end{array}$