Question

(1)why does a cooking gas cylinder feel lighter after it has been in use for a few days.
(2)what is the common between salt and sand?
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Answer 1

Answer:

{1} Cooking gas cylinders contain LPG (liquefied petroleum gas). ... Thus, liquid evaporates and goes out of the cylinder gradually, as we use and finally, gets empty. This makes it light when the cylinder becomes empty

Explanation:

{2}

Both are minerals made into granules from erosion or human grinding. Both can be separated out of water by evaporation. Both have irregularly sized crystals in a crystalline structure. Both are primarily formed/refined in the ocean.

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Answer 2

Explanation:

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