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The resin code best for recycling of plastic is

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Important Questions on Polymer Chemistry

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What does the number 1 to 7 signify?

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_____ is basically used to identify the material from which an item is made.

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What is the use of recycling codes?
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HDPE stands for _____.
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What is the role of codes written on the plastics in the recycling process?
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Soft drinks and juices are marked number 1 in the middle of the triangle. It indicates that the bottles are made of _____.
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Plastics are recycled based on their polymer type, identified by a _____ code. (resin identification/nylon)
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Draw and explain the diagram of the universal recycling symbol.
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Name the code of the plastics that have major share in recycling process.
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Recycling code 3 is given to:
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All other plastics belong to code 7 (O) Other.
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Code 4 stands for _____.
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Which code plastics occupy major share in recycled plastics?
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Resin code 6 is the widely recycled plastic.
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The number in the chasing arrows indicates the Universal Recycling Symbol.
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Why it is essential to recycle the same codes in one lot? 
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_____ (Nylon codes/Resin codes) are used to identify different types of plastics.
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Should the “Reuse, Reduce” components of the symbol take on a greater emphasis? Has the use of this symbol increased environmental awareness? What factors influence the recognition of symbols?
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No code is written on some plastics.
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Uncoded plastics belong to: