Oil and fat containing food items are flushed whit nitrogen. Why?

Nitrogen is an inert gas and does not easily react with these substances. On the other hand, oxygen reacts with food substances and makes them rancid. Thus, bags used in...

Paper, rexin bag, blade, pen, plastic box, scale, eraser, compass and dividers (metallic), steel lunch box, steel spoon. Paper, blade, plastic box, eraser, compass, steel lunch box and steel spoon...

(a)—B;          (b)—A;           (c)—D;           (d)—C;          (e)—F;        (f)—E,  (g)—G

(a)—C;         (b)—B;          (c)—F;         (d)—A;          (e)—E;           (f)—D

Column I                                       Column II (a) Salivary gland             ...

Column I                                               Column II (a) A plane mirror                             (v) The image is erect and of the same size as the object. (b) A convex mirror                          (ii) Can form image of objects spread...

(a) (iii); (b) (iv); (c) (ii); (d) (i)

(a) (iv); (b) (vi); (c) (v); (d) (i); (e) (iii); (f) (ii)

Wooden block, Paper, Balloon, Hair, plastic bottle, wooden logs, Boat etc. will float on water. A few of these like hair, balloon can float on kerosene or oil. Generally, substances...

i. Oil and fat containing food items get oxidised in presence of oxygen and become rancid. ii. Flushing of these food items with nitrogen avoid their contact with oxygen and inturn prevents...