When a piece of magnesium metal is added to hydrochloric acid, what gas is produced? ?

Hydrogen gas is produced.

Explanation:

Generally when metals react with acid they gives metallic salt along with the evolution hydrogen gas.

So, when magnesium metal is added to hydrochloric acid it gives magnesium chloride and hydrogen gas as a product.

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation:

answer; protein;