Question & Answer » Chemistry Questions » Both CO2 and H2 Gases are (A) Heavier than air (B) Colourless (C) Acidic in nature (D) Soluble in water

Both CO2 and H2 Gases are (A) Heavier than air (B) Colourless (C) Acidic in nature (D) Soluble in water

Answer:  (B) Colourless

Both CO2 and H2 gases are colourless in nature because of their distinct properties. Being colourless is the only common property when it comes to CO2 and H2 whereas all the other properties are completely opposite.