Question

answer these questions​

Answer 1

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Properties of magnetic field lines:-

1)They originate from north pole of magnet and ends at South pole of the magnet.

2)They are closed and continuous turns.

3)Magnetic field lines never intersect eachother.

Frequency will be 50Htz.

42) Rancudity it is the process in which oil and fat get rancid or oxidized leading to bad smell or taste of food.

Methods to prevent them:-

1)Keep them in air right container.

2)Add anti-oxidants and florish the bag with nitrogen gas.

Corrosion it is the process in which metal is attacked by atmospheric moisture and gases leading corrosion of metal. It can be of any colour

Rusting is the process in which metal specially iron gets attacked by atmospheric moisture leading to formation of rust which is brownish in colour.

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