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Jhalak And Palak Aggarwal 6 years, 10 months ago
Yogita Ingle 6 years, 10 months ago
| Plastic | Uses |
| Polythene | Used for preparing polythene bags, pipes, buckets, and unbreakable bottles. |
| Acrylic | Used for making window panes of cars and trucks. |
| Polypropylene | Used for making ropes, fibres, and popes. |
| Styrene | Used for making acid caps, cases of voltaic cells, etc. |
| Teflon | Used in making non- sticky pans. |
| Melamine | Used in making vessels. |
| Bakelite | Used for making switches, plugs, combs, handles, etc. |
| Celluloid | Used for making photographic films, combs and soap boxes. |
| PVC (poly vinyl chloride) | Used in food packaging, making of sanitary pipes. |
| LDPE (Low density polyethylene) | Used making of in food bottles and packaging of foods, polybags. |
| HDPE (High density polyethylene) | Used in making food and drink containers and in making of containers which are used in laboratory to store chemicals. |
| PET (polyethylene terephthalate) | Used in beverage bottles and food containers. |
Posted by Ayush Rajput 6 years, 10 months ago
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Yogita Ingle 6 years, 10 months ago
Continuous plantation of crops in a field makes the soil poor in certain nutrients such as nitrogen, phosphorus, potassium, etc. Plants require nutrients for their proper growth and functioning. When a farmer continues to grow crops one after the other, then all nutrients available in the soil reduce and the crop yield decreases automatically.
Posted by Andriod Tech 6 years, 10 months ago
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Gaurav Seth 6 years, 10 months ago
Antibiotics are medicines produced by certain microorganisms to kill other disease- causing microorganisms. These medicines are commonly obtained from bacteria and fungi. Streptomycin, tetracycline, penicillin, etc. are common antibiotics.
Precautions to be taken while using antibiotics:
- Antibiotics should be taken under the supervision of a well qualified doctor.
- Course (intake) of antibiotics should be completed as per the prescription given by the doctor.
- Antibiotics should be taken in the right amount and at the right time. A wrong dose of antibiotics makes the drug ineffective. Also, excessive consumption of drugs may kill the useful bacteria present in our body.
Posted by Himanshu Badwal 6 years, 10 months ago
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Gaurav Seth 6 years, 10 months ago
Let the number x
Given 1/2 is subtracted from x
hence the number is (x – 1/2)
When 1/2 is multiplied by (x – 1/2) the resultant number is 1/8.
⇒ (1/2)(x – 1/2) = (1/8)
⇒ (x – 1/2) = (1/4)
⇒ 4x – 2 = 1
⇒ 4x = 3
∴ x = 3/4
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