Question

In a reaction, a gas being produced is ______. a physical change a chemical change a phase change no change

Answer 1

if the substance is changing its status it’s a physical change. if the reaction is producing a gas it’s a chemical change. this would be my answer, have a nice day!

Answer 2

The correct answer is option B which is chemical change.

Step-by-step explanation:

• A physical change means any change in compound's physical properties like change in shape, phase or temperature during a reaction.
• A chemical change means change in chemical composition which leads to production of new compound.
• A phase change means conversion of state of a particular compound, for example from liquid to gaseous state.
• Hence in this reaction gas is produced, so its a chemical change.