Question

Give 2 measure each for the prevention of (a)rusting of iron (b)racidity of fats / oils

Answer 1

Answer:

Explanation:a) 1. By galvanization rusting can be prevented

2. By greasing and oiling rusting can be prevented

B) methods to prevent rancidity

1. Replacing air by nitrogen

2. By adding antioxidants (for ex - butylates hydroxy anisole )

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Answer 2

a)rusting of iron

Ans


1) by enamelling

2) by galvanising



b) rancidity of fats/oil

Ans


1) by adding antioxidants

2) flushing the food containers with nitrogen to prevent oxidation