Hmmm I’m not sure just to to quizlet for now but that seems kinda like science and elements
Answer:
Tests for gases
Hydrogen, oxygen, carbon dioxide, ammonia and chlorine can be identified using different tests.
Hydrogen. A lighted wooden splint makes a popping sound in a test tube of hydrogen.
Oxygen. A glowing wooden splint relights in a test tube of oxygen.
hope it will help
Matter can only me transformed, but not created or destroyed.
Answer:
change in the total mass of substances