Multiple choice

Which of the following metals can displace hydrogen from dilute acids?

  1. Zinc

  2. Gold

  3. Copper

  4. Silver

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Active metals like zinc can displace hydrogen from dilute acids because they are more reactive than hydrogen. Zinc reacts with dilute HCl or H2SO4 to form Zn2+ ions and hydrogen gas. Gold, copper, and silver are less reactive than hydrogen.