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Yogita Ingle 5 years, 11 months ago
Saturated hydrocarbons: In this type of hydrocarbons, the carbon atoms are connected by a single covalent bond. These are called alkane and general formula CnH2n+2 where n=1,2,3….etc. These are less reactive as they contain strong sigma bond. They do not undergo hydrogenation reaction. For example: CH4.
Unsaturated hydrocarbons: In this type of hydrocarbons, the carbon atoms are connected by multiple bonds like double or triple bonds. The double bonded compounds are called alkene and has general formula CnH2n and triple bonded compounds are called alkynes and has general formula CnH2n-2. These are more reactive as they contain one or more pi bonds which can be easily broken. They can undergo hydrogenation reaction. For example: CH2=CH2 is an alkene.
Sundaram Kumar 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
An ecosystem is defined as a place where living and nonliving things live together interacting with each other for the sustenance of life. The two main components of an ecosystem include- biotic (living) and abiotic (nonliving) components.
Ponds and lakes are natural ecosystems where many organisms live. Thus in these ecosystems, toxic waste (ammonia) produced by living organisms is converted into the harmless form by the activity of decomposers. An aquarium contains only fishes and no decomposers. Therefore, it is necessary that the toxic ammonia produced by the fishes should be regularly removed by changing water in an aquarium.
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Posted by Nisha Sharma 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Our country was ruled by the British government untill the year of 1947.
During this British rule, Gandhiji protested a lot with various non violent behaviours.
One of this most famous agendas is the "Salt march of Dandi" which is also known as the "Civil disobedience movement",in the year of 1930.
The women population also joined in this movement, because;
1)Salt is the essential component for cooking,and at that time period,mostly women were in-charge of household kitchens.
That's why when British government prohibited the Indian salt production,the women also got their motivation to join such movements.
2)Women population were heavily convinced by the Gandhi's speech and motivation.
In this way the women population also became the part of "Civil disobedience movement".
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Aadya Singh ? 5 years, 11 months ago
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Soap and detergents help insoluble particles to become soluble in water. It makes the cleaning easy. Oil or fats are insoluble in water. Soap molecules has two parts- the polar head and the long hydrocarbon tail. The insoluble oil/fat molecules become associated inside the micelle formed by soap molecules with polar hydrophilic (water-loving) groups on the outside and encasing a hydrophobic (water-hating) pocket, which shields the oil/fat molecules from the water making it soluble. Once the dirt or fat molecules are dissolved in water, it can be rinsed away easily.
Posted by Prayas Yadav 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Liver secretes bile. Bile passes from the liver into the gall bladder via a bile duct.
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Yogita Ingle 5 years, 11 months ago
Urine formation is carried out by the excretory system. The nephrons play a major role in this. They carry out urine formation in various steps like glomerular filtration, selective reabsorption and tubular secretion.
1. Each nephron has a glomerulus, the site of blood filtration. The glomerulus is a network of capillaries surrounded by a cuplike structure, the glomerular capsule (or Bowman’s capsule). As blood flows through the glomerulus, blood pressure pushes water and solutes from the capillaries into the capsule through a filtration membrane. This glomerular filtration begins the urine formation process.
2. Inside the glomerulus, blood pressure pushes fluid from capillaries into the glomerular capsule through a specialized layer of cells. This layer, the filtration membrane, allows water and small solutes to pass but blocks blood cells and large proteins. Those components remain in the bloodstream. The filtrate flows from the glomerular capsule further into the nephron.
3. The resulting filtrate contains waste, but also other substances the body needs: essential ions, glucose, amino acids, and smaller proteins. When the filtrate exits the glomerulus, it flows into a duct in the nephron called the renal tubule
4. Waste ions and hydrogen ions pass from the capillaries into the renal tubule. This process is called secretion. The secreted ions combine with the remaining filtrate and become urine. The urine flows out of the nephron tubule into a collecting duct. It passes out of the kidney and down to the bladder.
Urine is a liquid or water waste product that passes through your urinarytract and is expelled from your body through your urethra. It contains 90-95% water.
Chitresh Khandal 5 years, 11 months ago
Posted by Shubham Gupta 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
India have already finished 70 years after it received it's independence. Fight for independence wasn't a easy one. We mustn't forget that freedom is the blood of many fighters. We must try to contribute to develop India. India is still a developing country. So every citizen of India must contribute to its development.
Some measures which would handy for india's development mission :
A) Helping the poor people in the country :- we need to help the poor people in the country. We must help the needy. Government has to provide basic requirements to the poor.
B) Stopping Corruption :- Corruption is a major issue in the country. We need to stop it. The situation at now is " Police comes for 100 rupees not by dialing 100 ". This situation must change.
C) Improvement in the social status of women :- Women should be given equal importance with men in all regards. We should educate children to respect women. We see that crime rate against women is increasing day by day. It is also to be taken care that women's should be respected.
D) Providing great status to farmers :- Farmers are truly the back bone of India. We see most of the Indian farmers are poor.we must try to improve their financial status.
E) Providing Employment :- We must provide employment to the youth. These days even a person who is doctor in some subjects [ Ph.D] is just roaming searching for jobs.
F) Encouraging the children and giving freedom to Intelligents:- Children are the future builders of the nation. We must make them grow in a friendly manner. They must be encouraged to think about the country and development. We must also allow the intelligent thinkers to express their ideas and initiatives as they may become a crucial factor in developing.
G) Exploitation of rights is seen every where, Not the intelligents get job but the one who are rich. Many sectors has many degrades. The sectors should consider it their responsibility, so that everything works out well for making India developed.
India being developed isn't a goal which can be achieved by a single individual, but by everyone. But the mission to development can be achieved only if a single individual that is self, be passionate and inspire all others to walk for developing.
Posted by Shubham Gupta 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Average income represents the total income of a country keeping in view of the total population.
If the average income is adequate to meet, the basic requirementand other facilities that country is considered developed.
More income means more of all things that human beings need. What ever people like and should have, they will be able to get with greater income.
Posted by Shubham Gupta 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Height of students in a class with a large number of students, income of people of a state, forest cover in a country, etc. are some examples where averages are used for comparing situations.
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Yogita Ingle 5 years, 11 months ago
- In a democratic government, the working of the government machinery is transparent. It means a citizen can enquire if any decision was taken based on prescribed norms and procedures. Thus, a democratic government follows procedures and is accountable to the people.
- The government is legitimate if it is elected by the citizens of the country in free and fair elections.
- A government is said to be responsive government when it responds to the demands of the public and considers it very much part of the government. For example, after a prolonged period of mass protest and negotiation, the UPA government had to finally agree to people’s demand and introduce the Lokpal Bill in the Parliament. Even though, there still remains certain glitches in its implementation, the very fact that the government was forced to act on people’s demand is testimony to its responsive credentials.
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Yogita Ingle 5 years, 11 months ago
Ratio of the height of a tower and the length of its shadow is given by
{tex}\sqrt{3}:1{/tex}
So, we will use tangent of triangle to find the angle of elevation:
{tex}\tan \theta=\dfrac{\text{Height of tower}}{\text{Length of shadow}}\\\\\tan \theta=\dfrac{\sqrt{3}}{1}\\\\tan \theta=\tan 60^\circ\\\\\theta=60^\circ{/tex}
Hence, the angle of the elevation of the sun is 60°.
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