FOOD TECHNOLOGY

FOOD CHEMISTRY

FOOD ADDITIVES AND PRESERVATIVES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
function of bleach?
A
reduce food spoilage
B
make the food more attractive
C
binds food together
D
remove unwanted colour
Explanation: 

Detailed explanation-1: -Bleach works by releasing oxygen molecules in a process called oxidation. The oxygen molecules released by bleach break up the chemical bonds of chromophores. The changed chromophore molecules either reflect no color or a color outside the visible spectrum. This absence of color is seen by our eyes as white.

Detailed explanation-2: -Bleach works very differently. Like Colour Remover, Bleach enters the Hair shaft, but instead it destroys all Colour pigment from the Hair. This leaves the Hair with no Natural pigment. It is this destruction of the pigment, that makes it perfect to use to lighten the Hair.

Detailed explanation-3: -Hair bleaching is a chemical hair dye technique that strips the color of your hair strands. Bleaching begins with an alkaline agent that opens up the hair cuticle. Next comes the oxidative agent that penetrates the hair cortex and dissolves the hairs natural melanin (your hair’s natural color).

Detailed explanation-4: -bleach, solid or liquid chemical used to whiten or remove the natural colour of fibres, yarns, other textiles, and paper. In textile finishing, the bleaching process is used to produce white cloth, to prepare fabrics for other finishes, or to remove discoloration that has occurred in other processes.

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