Question

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When metal strips are place in a liquid, bubbles are observed to form around the metal. When the gas from these bubbles is collected in a balloon, the balloon rises.

what can be concluded in this experiment

A- the gas is poisonous
b- the gas is hydrogen
c- if the balloon is touched with a match, the collected gas will explode
d- the gas is lighter than air
e- the gas is hot because the liquid boiled

Answer 1

option d - "the gas is lighter than air"

Step-by-step explanation:

Based on the given experiment, the most likely conclusion is that the gas collected in the balloon is lighter than air, which causes the balloon to rise. Therefore, option d - "the gas is lighter than air" is the correct answer.

It is not possible to conclude whether the gas is poisonous, hydrogen, or hot because these properties cannot be determined solely from the given experiment. Additionally, it is not safe to assume that the collected gas will explode when touched with a match, as this would depend on the specific properties of the gas collected.