during a lab experiment, students are supposed to add small pieces of magnesium, aluminum, and calcium metal…

during a lab experiment, students are supposed to add small pieces of magnesium, aluminum, and calcium metal to concentrated hydrochloric acid in a test tube. the laboratory instructions include strong safety warnings to make sure that no sparks, open flames, or high heat sources are present in the room when students perform this experiment. which is the most likely reason for these warnings?\nhydrogen gas is highly flammable.\nheat may cause the hydrochloric acid to break down.\nheat can cause the acid to produce a salt.\ndone

during a lab experiment, students are supposed to add small pieces of magnesium, aluminum, and calcium metal to concentrated hydrochloric acid in a test tube. the laboratory instructions include strong safety warnings to make sure that no sparks, open flames, or high heat sources are present in the room when students perform this experiment. which is the most likely reason for these warnings?\nhydrogen gas is highly flammable.\nheat may cause the hydrochloric acid to break down.\nheat can cause the acid to produce a salt.\ndone

Answer

Brief Explanation:

When magnesium, aluminum, and calcium react with hydrochloric acid, hydrogen gas is produced. Hydrogen is highly flammable and can ignite in the presence of sparks, open - flames, or high heat sources.

Answer:

Hydrogen gas is highly flammable.