Question

Describe an activity with diagram to illustrate that the reaction of metals with bases?

Answer 1

Answer:

Explanation:

Aim : To show the reaction of bases with metals.

Required Materials : 1. Test tube 2. Delivery tube 3. Glass trough 4. Candle

5. Soap water 6. Sodium hydroxide (NaOH) solution 7. Zinc granules.

Procedure :

   Set the apparatus as shown in figure.

   Take about 10 ml of dilute sodium hydroxide (NaOH) solution in a test tube.

   Add a few granules of zinc metal to it.

   Worn the contents of the test tube, tie up the bag tightly and keep it over night in the fridge.

   Observation : Check the odours of the cloth strips.

   Result: It is used as the acid indicator.

   Note : However, such reactions are not possible with all metals

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