Advertisements
Advertisements
प्रश्न
Should the handle and bristles of a tooth brush be made of the same material? Explain your answer.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Explain why the following is made of thermosetting plastics.
Saucepan handles
How the plastic is produced?
Distinguish between.
Man made material and natural material.
Distinguish between
Thermoplastic and thermosetting plastic.
Write short note.
Glass production.
Can you replace the following packaging material with those which can be recycled or reused.
Milk packets of polythene.
Can you replace the following packaging material with those which can be recycled or reused.
Dry eatables in polythene.
Plastics have completely occupied our life. Why?
Most one-time-use plates are made from ______.
Answer the following by rearranging the jumbled letters :
Expanded polystyrene is commercially known as ______.
mthreolco
