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निम्नलिखित में से कौन सा सामग्री-गुण युग्म सही सुमेलित है?
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- 1LDPE – उच्च ऑक्सीजन बैरियर
- 2एल्युमिनियम फॉयल – प्रकाश रोधक (Light barrier)✓
- 3कांच – खराब रासायनिक प्रतिरोध
- 4कागज – उत्कृष्ट गैस बैरियर
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एल्युमिनियम फॉयल – प्रकाश रोधक (Light barrier)
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