Biotechnology MCQ Quiz Hub

Biotechnology MCQ set-5

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1. RPVC can be made softer and more flexible using:




2. What is the Limiting Oxygen Index (LOI) of PVC?




3. Flexible PVC is used for:




4. Which of the following PVC product is not there in the market?




5. PVC plug is used to:




6. How is PVC recycled commonly?




7. Which additive in PVC pipe leads to the contamination of potable water?




8. Pure PVC is ____________ in colour.




9. Natural rubber contains polymers of an organic compound:




10. What is added to rubber to make it a thermosetting polymer?




11. Rubber latex is used for:




12. Rubber seed oil can be used in:




13. Recycled crumb rubber can be used in:




14. What is resilience?




15. Rubber bricks are generally used for:




16. Hardness of rubber is measured on which scale?




17. Synthetic rubber is also called:




18. Glass is a mixture of:




19. How many different categories of glass are there?




20. Which of the following types of glass accounts for about 90% of manufactured glass?