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Pragya Jain 5 years, 5 months ago
Ch Alli 5 years, 5 months ago
Yogita Ingle 5 years, 5 months ago
Despondency means low spirits from loss of hope or courage; dejection. The quality the quality or state of being noticeably happy and optimistic would be the opposite of this word.
Posted by Janhavi Chandrakar 5 years, 5 months ago
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Pragya Jain 5 years, 5 months ago
Akshiii ?? 5 years, 5 months ago
Posted by Tiwari Srishti Rajendra 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
|
Combustible substance |
non-combustible substance |
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A substance which burns in air and tends to produce heat and light is known as Combustible substances. |
Non-combustible substances are certain substances which are not combustible in the presence of air. |
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Necessary ingredients – Heat, fuel and air |
Will not burn on being exposed to flame. |
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Examples – Diesel, petrol, kerosene. |
Examples – Glass, stones. |
Posted by Satya Ganesh 5 years, 5 months ago
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Subhalaxmi Prusty 5 years, 5 months ago
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Saumya Suman 5 years, 5 months ago
Yogita Ingle 5 years, 5 months ago
Given no = 882 expressing into prime factors , we have 882 = 2×21×21.
Since 2 left unpaired. so to make 892 a perfect sq it should be multiplied by 2 .
now 882 ×2 = 1764 . which is a perfect sq. hence the sq root of of the quotient is 42.
Posted by Prince Titosha 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
‘Tiger of Mysore’ was the title given to Tipu Sultan as he was a brave and fearless soldier.
Posted by Himani Narang 5 years, 5 months ago
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Posted by Akshiii ?? 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
the thermoplastic and thermosetting plastics.
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Thermosetting |
Thermoplastics |
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1. Thermosetting plastic cannot be easily bent but if we force to bend, it will break. |
1. We can bend thermoplastics easily. |
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2. On heating thermosetting plastics, it cannot be softened. This is the reason it cannot be reshaped once it is moulded. |
2. On heating the thermoplastics, it becomes softened and can be moulded and reshaped easily. |
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3. For example: - Bakelite and Melamine. |
3. Polythene and PVC are some of the examples of thermoplastics. |
Posted by Dhananjay Sharma 5 years, 5 months ago
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Akshiii ?? 5 years, 5 months ago
Akshiii ?? 5 years, 5 months ago
Posted by Akshiii ?? 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Food can be poisoned by microbes. Microbes produce toxic substances and thus, poison/ spoil the food. Consuming spoiled food can make us ill. Therefore it is very important to preserve food items so that microbes cannot grow & spoil them.
Microbes just don’t attack any food item, they need a suitable environment to grow & survive. Only then, they can release toxic substances and thus spoil the food. Some factors which promote growth of microbes are moisture, warm temperature etc.
Posted by Akshiii ?? 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
Manure is the decomposed form of dead plants and animals which is applied to the soil to increase the production. It is a natural form of fertilizer and is cost-effective. The human and animal excreta is also used as manure. The livestock manure is rich in nitrogen, phosphorus, and potassium.
Posted by Shrey Mishra 5 years, 5 months ago
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Posted by Satya Ganesh 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
जेल में रहते हुए उन्हें चाँद ही अपना साथी इसलिए लगा क्योंकि वह प्रतिदिन निश्चित समय पर आकर उन्हें एक - एक दिन का अहसास करवाता था ।
साथ ही यह सीख भी देता था कि अंधकार के बाद प्रकाश अर्थात् दुख के बाद सुख के दिन भी अवश्य आते हैं ।
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Yogita Ingle 5 years, 5 months ago
(a+b) (a-b)
a) a²-64
= a2- (8)2
= (a - 8) ( a +8)
b)49x²-1
= (7x)2 - (1)2
= (7x - 1) (7x + 1)
Posted by Abhipsa Patra 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
Let the numbers are x and y
Then sum of two number is 11
x + y = 11........... (1)
And difference = 5
x - y = 5............. (2)
Addding (1) and (2), we get
2x = 16
x = 16/2 = 8
Put x = 8 in (1) , we get
8 + y = 11
y = 11 -8
y = 3
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