28. Carbon dioxide is heavier than air. The gas is collected in the 'laboratory by A. Upward delivery B. Downward delivery C. Downward displacement D. Passing over water

Question

28. Carbon dioxide is heavier than air. The gas is collected in the 'laboratory by A. Upward delivery B. Downward delivery C. Downward displacement D. Passing over water

Answer 1

C. Downward displacementCarbon dioxide is denser than air. Downward displacement (or downward delivery) is the method used to collect gases denser than air. The gas is delivered through a tube to the bottom of a collection jar, where it displaces the lighter air upwards.

Question

28. Carbon dioxide is heavier than air. The gas is collected in the 'laboratory by A. Upward delivery B. Downward delivery C. Downward displacement D. Passing over water

Solution

Answer