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प्रश्न
Should the handle and bristles of a tooth brush be made of the same material? Explain your answer.
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उत्तर
No. The handle and bristles of a tooth brush should be made of different materials. The handle of a toothbrush should be hard and strong, while the bristles should be soft and flexible.
संबंधित प्रश्न
Explain the difference between thermoplastic and thermosetting plastics.
Write uses of PVC.
Distinguish between.
Man made material and natural material.
Can you replace the following packaging material with those which can be recycled or reused.
Milk packets of polythene.
What suggestions you will give to members of locality to solve the problem of waste material?
A good application of plastic is the use of ______
______ are used to identify different types of plastics.
Why is it better to avoid the use of plastic products?
Which of the following is non–bio degradable?
Plastics have completely occupied our life. Why?
