Metals
* Most active metals: Metals like potassium (K), sodium (Na), calcium (Ca), magnesium (Mg), aluminum (Al), zinc (Zn), and iron (Fe) will readily react with acids to displace hydrogen and form salts.
* Example: Zinc reacts with hydrochloric acid (HCl) to form zinc chloride (ZnCl₂) and hydrogen gas (H₂):
Zn + 2HCl → ZnCl₂ + H₂
Other Substances
While metals are the most common, other substances can also displace hydrogen from acids:
* Some non-metals: Non-metals like carbon and sulfur can react with strong oxidizing acids like concentrated nitric acid (HNO₃) to form salts and release gases.
* Other compounds: Some compounds like metal oxides and metal hydroxides can also react with acids to form salts and water.
Important Note: The ability of a substance to displace hydrogen from an acid depends on its reactivity. The more reactive the substance, the more likely it is to displace hydrogen.
To give you a more specific answer, I need you to provide more context about the specific substances you're considering.
For example:
* Are you looking for a specific metal?
* Are you looking for a non-metal or a compound?
* Do you have a specific acid in mind?
Once you provide me with more details, I can give you a more precise and accurate answer.