Take for test tubes then put a small piece of magnesium ribbon in the first test tube, a piece of aluminium foil in the second test tube, some iron fillings in the third test tube and a a piece of uncovered copper wire in the fourth test tube. Add 10ml of dilute hydrochloric acid in each test tube and warm gently, now test the gas produced in each test tube by bringing a lighted matchstick near the mouth of the test tube. Note down your observations among Mg,Fe,Al and Cu which metal/metals react with dilute acid and produces hydrogen gas (which burns with a Pop sound). Identify the type of reaction takes place and write the reaction in each case. if you use dilute sulphuric acid insaid of dilute hydrochloric acid then will you get the same result? Give reason to your answer.
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Can you send the pic of this question .
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