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Gaurav Seth 5 years, 3 months ago
1. It should possess high calorific value.
2. It should have proper ignition temperature. The ignition temperature of the fuel should neither be too low nor too high.
3. It should not produce poisonous products during combustion. In other words, it should not cause pollution o combustion.
4. It should have moderate rate of combustion.
5. Combustion should be easily controllable i.e., combustion of fuel should be easy to start or stop as and when required.
6. It should not leave behind much ash on combustion.
7. It should be easily available in plenty.
8. It should have low moisture content.
9. It should be cheap.
10. It should be easy to handle and transport.
Posted by Harkanwal Aujla 5 years, 3 months ago
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Gaurav Seth 5 years, 3 months ago
Petrochemicals
Those chemicals which are obtained from petroleum and natural gas are called petrochemicals.
For Ex:Methyl alcohol,ethyl alcohol,formaldehyde,acetone,acetic acid,ethylene,benzene,toluene,vinyl chloride etc.
They are important because they are used to manufacture large number of useful material such as detergents, synthetic fibres, plastics, synthetic rubber, drugs, dyes, perfumes, fertilisers, insecticides etc.
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Gaurav Seth 5 years, 3 months ago
Bahadur Shah Zafar
The last Mughal emperor was Bahadur Shah Zafar. His title as the Mughal emperor was a symbolic one. After the death of Aurangzeb, the Mughal rulers had lost their power and held only a symbolic stature. Zafar was also the symbolic head of the 1857 revolt. However, once the revolt was crushed, Bahadur Shah Zafar was tried in court. He was blinded by the British and was imprisoned. Later in 1858, he along with his wife was sent to Rangoon, where he died in 1862.
Posted by Rishabh Rai 5 years, 3 months ago
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Gaurav Seth 5 years, 3 months ago
Let ABCD be the parallelogram with ∠A = ∠B.
We know: Sum of adjacent angles = 180°
∠A + ∠B = 180º
2∠A = 180º (∠A = ∠B)
∠A = 90º
∠B = ∠A = 90º
∠C = ∠A = 90º (Opposite angles)
∠D = ∠B = 90º (Opposite angles)
Thus, each angle of the parallelogram measures 90º.
Posted by Raj Kumar 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
The pressure is usually defined as the amount of force that is applied to a certain area. The pressure is a physical quantity and mostly expressed as formula p = F/A where F and A are force per area perpendicular to the surface. While we have already discussed everything about pressure in our earlier article, here we will explore the topic of units of pressure.
The SI unit of pressure is Pascal (represented as Pa) which is equal to one newton per square metre (N/m-2 or kg m-1s-2). Interestingly, this name was given in 1971. Before that pressure in SI was measured in newtons per square metre.
Posted by Rishi Singh 5 years, 3 months ago
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Posted by Amulya Viii B - Aecs 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
Let the seven consecutive odd integers be
(2x+1),(2x+3),(2x+5),(2x+7),(2x+9),(2x+11),(2x+13)
Then, (2x+1)+(2x+3)+(2x+5)+(2x+7)+(2x+9)+(2x+11)+(2x+13)=133
⇒14x+49=133
⇒14x=133−49=84
⇒x=1484=6
Hence, the least odd integer is =2x+1=2×6+1=13.
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Vaishnavi Kumari 5 years, 3 months ago
Posted by Pranay Kansotia 5 years, 3 months ago
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Yogita Ingle 5 years, 3 months ago
| inary Fission | Budding |
| Definition | |
| The division of the cells into two daughter cells is known as binary fission | The formation of new bud from the parent organism is known as budding |
| Type of reproduction | |
| It is a type of fission | It is a type of vegetative propagation |
| Identification of parent | |
| Parent cell cannot be identified since the parent cell itself gets divided into two daughter cells | The parent cell gets detached from the new cell |
| Type of division | |
| A symmetric division | An symmetric division |
| Examples | |
| Bacteria and archaes show binary fission | Yeast and hydra show budding |
Posted by Pranay Kansotia 5 years, 3 months ago
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Meghashree S 5 years, 3 months ago
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