1.

Plastic k chactersticks and uses​

Answer» <html><body><p><strong>Explanation:</strong></p><p>1. Toughness or Tensile strength :</p><p></p><p>plastics vary in their tensile strength from material to material. plastics have much less toughness as compared to metals and alloys like steel.</p><p></p><p>2. light Weight :</p><p></p><p>plastics are much lighter in weight as compared to woods, metals , etc.</p><p></p><p>3. Chemical Reactivity :</p><p></p><p>Plastics are not affected by acids and alkalines. natural polymers such as cotton, wool, etc are damaged by acids.</p><p></p><p>4. Appearance :</p><p></p><p>Transparent plastics material can be made they look like glass. plastic can be coloured in any colour and given any <a href="https://interviewquestions.tuteehub.com/tag/shape-1204673" style="font-weight:bold;" target="_blank" title="Click to know more about SHAPE">SHAPE</a> and are used for <a href="https://interviewquestions.tuteehub.com/tag/making-1085093" style="font-weight:bold;" target="_blank" title="Click to know more about MAKING">MAKING</a> large variety of household products.</p><p></p><p>5. weather Resistance :</p><p></p><p>plastics are not biodegradable that is why , they do not change with weather unlike natural fibres like cotton, and wool.</p><p></p><p>6. Thermal Conductivity :</p><p></p><p>plastics are the bad conductors of heat. For this reason, the handles of the cooling utensils are made of plastic material.</p><p></p><p>7. Electrical Conductivity :</p><p></p><p>plastics do not conduct electricity . This property of plastic is used for making electrical appliances like switches, irons, <a href="https://interviewquestions.tuteehub.com/tag/touches-1423978" style="font-weight:bold;" target="_blank" title="Click to know more about TOUCHES">TOUCHES</a>, bulb- holders etc..</p><p></p><p>8. Solubility in <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> :</p><p></p><p>there is no <a href="https://interviewquestions.tuteehub.com/tag/effect-966056" style="font-weight:bold;" target="_blank" title="Click to know more about EFFECT">EFFECT</a> of water on plastics. They are insoluble in water.</p><p></p><p>9. Effect of Flame :</p><p></p><p>The plastics melt on bringing closer to flame</p></body></html>


Discussion

No Comment Found

Related InterviewSolutions