Question

Define the following terms 1 catatyst. 2 rancidity

Answer 1

1) Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions. During the reaction between the chemical intermediates and the reactants, the catalyst is regenerated.

2) Rancidity, condition produced by aerial oxidation of unsaturated fat present in foods and other products, marked by unpleasant odour or flavour. Saturated fats such as beef tallow are resistant to oxidation and seldom become rancid at ordinary temperatures.

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Answer 2

Answer:

1. Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions. ... During the reaction between the chemical intermediates and the reactants, the catalyst is regenerated.

2. Rancidity, condition produced by aerial oxidation of unsaturated fat present in foods and other products, marked by unpleasant odour or flavour. ... Butter becomes rancid by the foregoing process and by hydrolysis, which liberates volatile and malodorous acids, particularly butyric acid.