Question

2.1.4 how do acids and bases react with each other? Activity 2.6 (1)take about 2 ml of dilute naoh solution in a test tube and add two drops of phenolphthalein solution.(2)what is the colour of the solution?(3)add dilute hcl solution to the above solution drop by drop.(4)is there any colour change for the reaction mixture?(5)why did the colour of phenomenon change after the addition of an acid?(6) now add a few drops of naoh to the above mixture.(7)does the pink colour of phenolphthalein reappear?(8) why do you think this has happened? please give me answer​

Answer 1

Answer:

The salt in ocean water is mostly sodium chloride, too. However, the salt in the oceans has other kinds of salt in it too. The main other chemicals in sea salt are magnesium, sulfate, calcium, and potassium.

Explanation:

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