The gas I use in the cylinder for filling balloons is usually helium, as it’s lighter than air and keeps the balloons afloat.
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The gas I use in the cylinder for filling balloons is usually helium, as it’s lighter than air and keeps the balloons afloat.
The gas used in cylinders for filling balloons is typically helium. However, depending on factors such as availability and cost, alternative gases like hydrogen or nitrogen may also be used for this purpose.