Question

Determine which type of property each statement describes by typing “physical” or “chemical” in the blank. Hydrogen is a colorless, tasteless, and odorless gas. Hydrogen is very combustible in the presence of oxygen. Hydrogen is very reactive with most elements. Hydrogen is the least dense of all elements.

Answer 1

Answer:

Hydrogen is a colorless, tasteless, and odorless gas.  

physical

Hydrogen is very combustible in the presence of oxygen.  

chemical

Hydrogen is very reactive with most elements.  

chemical

Hydrogen is the least dense of all elements.  

physical

Explanation:

Answer 2

I put these in order

Hydrogen is a colorless, tasteless, and odorless gas.

⇒ physical

Hydrogen is very combustible in the presence of oxygen.

⇒ chemical

Hydrogen is very reactive with most elements.

⇒ chemical

Hydrogen is the least dense of all elements.

⇒ physical