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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.
Both CO2 and H2 Gases are (A) Heavier than air (B) Colourless (C) Acidic in nature (D) Soluble in water
What properties do both CO2 and H2 gases share? Learn common properties of these gases for CBSE and NEET Chemistry exam preparation.
