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In the rusting activity, nails kept with anhydrous calcium chloride in a corked test tube did not rust mainly because

Question
In the rusting activity, nails kept with anhydrous calcium chloride in a corked test tube did not rust mainly because
Calcium chloride chemically reacts with iron to prevent rusting
The calcium chloride absorbed moisture, keeping the air dry
Calcium chloride is itself a form of rust
There was no air present in the tube at all
Answer
The calcium chloride absorbed moisture, keeping the air dry
Detailed Explanation
Anhydrous calcium chloride absorbed any moisture in the air, keeping the nails exposed to only dry air, preventing rusting.
Metals, in their pure state, generally have Science · Metals and Non-metals The shining nature of a freshly cut metal surface is called Science · Metals and Non-metals The ability of metals to be beaten into thin sheets is called Science · Metals and Non-metals The most malleable metals, according to the chapter, are Science · Metals and Non-metals

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