Saliva
Saliva also contains lysozyme which kills micro organisms that are not the normal inhabitants of the buccal cavity. Bacteria which escape the action of saliva, when they reach the stomach, are killed by the hydrochloric acid and the proteolytic enzymes of the gastric j..
Experiment 4
In the laboratory, carbon dioxide is usually prepared by the action of dilute hydrochloric acid on marble chips. Marble chips are taken in a round-bottomed flask, as shown in figure 11.6. ..
In the laboratory, carbon dioxide is usually prepared by the action of dilute hydrochloric acid on marble chips. Marble chips are taken in a round-bottomed flask, as shown in figure 11.6. ..Biochemical Systems
pH plays a very significant role in biochemical reactions. For example, the blood in our bodies is maintained at a pH value of 7.36 - 7.42 due to bicarbonate - carbonic acid mixture. A mere change of 0.2 pH units can cause death. Certain enzymes in the body get activated only at certain ..
Summary
Acidic substances generate H + ions in the medium, while basic ones liberate OH - ions in the medium Certain dyes are used as indicators to detect the presence of acids and bases Strength of an acid depends on the concentration of hydronium ions present in a ..
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