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Ask QuestionPosted by Ranveer Patil 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Cell Structure
Basic cell contains:
1. Cell membrane
The outermost membrane of the cell is called as cell membrane.
2. Protoplasm
Everything that is present in the cell except cell membrane comes under protoplasm. Protoplasm is living material of cell. Or the entire content of living cells including cytoplasm and nucleus is known as protoplasm.
Protoplasm is further divided into two parts:
Cytoplasm
Nucleus
Mitochondria: It provides energy to the cell.
Golgi body: It packages, dispatches the cellular secretions.
Ribosomes: It is helpful in protein synthesis.
Posted by Yash Amne 5 years, 9 months ago
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Vinod Swami 5 years, 9 months ago
Yogita Ingle 5 years, 9 months ago
We cover a burning person in the blanket as a first aid because, as we know burning requires oxygen.so, when we cover the person with blanket, the oxygen supply is cut off leading to extinguish the fire and the person is saved.
Shubham Kumar 5 years, 9 months ago
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Vinod Swami 5 years, 9 months ago
Posted by Abraham Chung 5 years, 9 months ago
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Meghna Thapar 5 years ago
A petition is a request to do something, most commonly addressed to a government official or public entity. Petitions to a deity are a form of prayer called supplication. In the colloquial sense, a petition is a document addressed to some official and signed by numerous individuals. The Petition of Right of 1628 was an English document that helped promote the civil rights of the subjects of King Charles I. Learn how the actions of this king led the people to stand up for and insist upon their civil rights in a manner that is still having influence today.
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Gaurav Seth 5 years, 9 months ago
chemical properties.
| Metals |
Non-Metals |
|
1. Oxides of metal are basic in nature. |
1. Oxides of non-metals are acidic innature. |
|
2. Metals displace hydrogen from diluteacids. |
2. They cannot do so. |
|
3. Metals form chlorides which areelectrovalent or ionic compounds. |
3. Non-metals form chlorides which arecovalent compounds. |
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4. they displace hydrogen from water |
4. They cannot do so. |
Gaurav Seth 5 years, 9 months ago
physical properties:
|
Metals |
Non-metals |
|
1. Metals are generally solid at room temperature. (Except Mercury) |
1. Non-metals exist in all the three states i.e solid liquid and gas. |
|
2. Metals are generally hard. (except sodium which can be cut using a knife) |
2. Non-metals are generally soft. (except diamond which us the hardest substance on the earth) |
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3. Metals are Malleable; means can be converted into thinsheets using a hammer. (except sodium and potassium) |
3. Non-metals are generally brittle. Will broke down intopieces when beaten by a hammer. |
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4. Metals are ductile, means they can be converted into thinwires. |
4. Non-metals are non ductile. |
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5. Metals have shiny surface or they are lustrous. |
5. They are non lustrous. (except iodine) |
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6. Metals can lose electrons so they are electropositive innature. |
6. Non-metals gain electrons so they are electronegative innature. |
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7. Metals are good conductors of heat and electricity. |
7. Non-metals are bed conductors of heat and electricity.(Except graphite) |
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8. Metals are sonorous. They produce a sound on striking witha hard surface. |
8. They does not do so they are not sonorous. |
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9. Metals generally have high densities. (except alkalimetals) |
9. Non-metals generally have low densities. |
Posted by Vishnu Balunki 5 years, 9 months ago
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Meghna Thapar 5 years ago
One of the methods they used were to take well crafted things where enough work was put in and used to sold it to England where export duty was higher and flooded the Indian markets with their own goods at cheaper rates at lower import duty.
Posted by Sehaj Deep Kaur 5 years, 9 months ago
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How Are You ?Desi? Jaat ?Boy ? ???Piyush Jajra??? 5 years, 9 months ago
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Patel Arvind Bhai 5 years, 9 months ago
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Gaurav Seth 5 years, 9 months ago
Destructive Distillation of Coal
When a substance is heated in the absence of air, the process is called destructive distillation. It results in the decomposition of the substance, bearing carbon rich residue.
Destructive distillation of coal produces coke, coal tar, coal gas and ammonia solution.
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Coal |
Coke + Coal tar + Coal gas + Ammoniacal liquorPosted by Sakshi Yadav 5 years, 9 months ago
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Rishu Singh 5 years, 9 months ago
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