8th Class Science Sample Paper Science Sample Paper-5

  • question_answer
                            Give few examples to show that plastics are non-corrosive in nature.      

    Answer:

                                                           
    Corrosion of a substance is the process of reaction with water or moisture of air and getting damaged.
    Following are the few examples:
    (i) We use buckets and mugs made up of plastics in our bathrooms regularly, but they remain as it is for long time period.
    (ii) Plastics do not decompose in atmosphere for long period.
    (iii) Many health care products such as packaging of tablets, threads used for stitching wounds, remain in their original look for long time period.


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