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प्रश्न
______ are used to identify different types of plastics.
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उत्तर
Resin codes are used to identify different types of plastics.
APPEARS IN
संबंधित प्रश्न
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Distinguish between
Thermoplastic and thermosetting plastic.
Give example of material that can be used again.
Why should we be careful in using plastic bags to store cooked food items?
Read the following information and convert them into a graph to compare the countries and the amount of plastic they use.
China contributes the highest share - that is around 28%, of the total plastic used globally. Indonesia uses 10%, both the Philippines and Vietnam use 6% each; Thailand uses 3.2%, Egypt 3%, Nigeria 2.7% and South Africa 2%.
Explain why the following is made of thermosetting plastics?
Electric plugs/switches/plug boards
Unscramble the jumbled word given below, related to synthetic material.
Laspict
Edmund Alexander Parkes was the creator of the first plastic called ______.
Most one-time-use plates are made from ______.
Give some examples of one-time-use plastic.
