Write the balanced equation and identify the type of reaction for the experiments.
1. Holding the copper wire in the hottest part of the flame for a few minutes.
2. Placing a shiny iron nail and adding CuSO4 solution so half the nail is covered then leaving it there for 15 mins before removing the nail.
3. Having a small amount of CuSO4.5H2O in a test tube and holding it over a flame.
4. Wait until the test tube from question 3 is cooled and than add 2-3 drops of distilled water.
5. 1. Put 10 drops of CaCl2 solution into a test tube.
2. Put 10 drops of Na2CO3 into another test tube.
3. Pour CaCl2 solution into Na2CO3 test tube.
6. Put a piece of mossy zinc in a test tube and than fill the test tube with HCl (aq) until it covers the mossy zinc.
7. Fill a test tube 1/3 with H202 solution, add a bit of Kl (s) and than test the gas involved bt placing a splint into the test tube.
Answers: 2
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Write the balanced equation and identify the type of reaction for the experiments.
1. Holding the c...
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