Question

Explain the following terms with one example cach
1.Corrosion 2.Rancity​

Answer 1

Explanation:

when a substance containing oil and fats are exposed to air they get oxidised and become rancid due to which there smell and taste changes

Answer 2

Explanation:

1. Corrosion

WHEN A METAL IS EXPOSED TO THE ATMOSPHERE CONTAINING DIFFERENT GASES , IT REACTS WITH THEM TO FORM A THICK LAYER OF OXIDE ON IT . THIS IS CALLED CORROSION

FOR EX - WHEN AN IRON ROD IS EXPOSED TO AIR FOR SOMETIME ...IT GET'S RUSTED

2. Rancidity

WHEN THE EDIBLE ITEMS CONTAINING FATS AND OTHER THINGS ARE EXPOSED TO AIR , THEY REACT WITH THE MOISTURE(IN AIR) THAT LEADS TO CHANGE IN THEIR TEXTURE ,TASTE AND SMELL .

FOR EX - WHEN AN OPEN PACKET OF CHIPS IS LEFT FREE IN ATMOSPHERE , IT BECOMES SOFT AND CHANGE IN TASTE AND SMELL ALSO TAKES PLACE