Question

Describe the experement showing the chemical reaction between acid and base [ 4 - MARK ]​

Answer 1

Answer:

An acid–base reaction is a type of chemical reaction that involves the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O) or electrically charged (ions, such as ammonium, NH4+; hydroxide, OH−; or carbonate, CO32−).

Explanation:

Procedure

• Take a clean and dry test tube.Add zinc granules in it.Submerge the zinc granules in the test tube by adding sodium hydroxide to it.
• Close the test tube with cork which has a glass delivery tube.A robust explosion takes place between 2-3 minutes liberating odourless and colourless gas.
• When a burning match stick in brought near the glass tube mouth the gas burns with a pale blue flame with a pop sound.
• Reaction:2NaOH(aq) + Zn(s) → Na2ZnO2(aq) + H2↑