Advertisements
Advertisements
प्रश्न
Give examples to show that plastics are non-corrosive in nature.
Advertisements
उत्तर
Plastics are not corroded even if they come in contact with strong chemicals. This is because of their non-reactive nature with most materials. For example, the cleansing chemicals that we use at home are stored in plastic bottles, instead of metal containers.
APPEARS IN
संबंधित प्रश्न
Can you replace the following packaging material with those which can be recycled or reused.
Dry eatables in polythene.
Why should we be careful in using plastic bags to store cooked food items?
A good application of plastic is the use of ______
True or False
A lot of plastic pollutes our environment.
True or False
Refuse (avoid) is the best way to manage plastic.
A plastic bag dumped in the soil stays without breaking down for 500 years. If a new generation starts in every 30 years, how many generations would it take to see the plastic bag finally broken down?
Look at the following picture and explain what is happening.
PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. Bakelite is a thermosetting plastic and is used for making electrical switches, handles of various utensils, etc. Can you write the major difference between these two types of plastics?
Plastics have completely occupied our life. Why?
Assertion (A): PVC is an unsafe plastic.
Reason (R): Burning PVC releases dioxins, a most toxic chemical.
