Page 13 - E-Science Prep1 2024-2025 t2 Unit1_Neat - Copy
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Hydrochloric acid                              Lactic acid

It is secreted by stomach                  It provides the muscles
that participates in food                with energy during the lack

         digestion.                                of oxygen.
                                           Its accumulation causes

                                                muscle cramps.

  P.O.C           Weak acids                  Strong acids
Definition       Weak alkalis                Strong alkalis

               Acids/ alkalis that are     Acids / alkalis that are
             bad electrical conductors   good electrical conductors

Examples     Vinegar (dil. acetic acid)     Hydrochloric acid
                 Sulphurous acid              Sulphuric acid
                    Nitrous acid                 Nitric acid

             Ammonium hydroxide             Sodium hydroxide

                                             Don’t touch acids or
                                                bases with your

                                             hands as some acids
                                             are burning & some
                                               alkalis are caustic
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Second Term
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