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Yogita Ingle 5 years, 8 months ago

Column chromatography is a technique used to separate different components of a mixture. It is a very useful technique used for the purification of elements available in minute quantities. It is also used to remove the impurities that are not very different in chemical properties from the element to be purified

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Yogita Ingle 5 years, 8 months ago

Homo sapiens or modern man-

  • Arose in Africa and moved across continents.
  • During ice age between 75,000-10,000 years ago modern Homo sapiens arose.
  • Pre-historic cave art developed about 18,000 years ago.
  • Agriculture came around 10,000 years back and human settlements started.

Suseela Jalluri 5 years, 8 months ago

Homosapiens is the scientific name of human being it exhibits trinomial nomenclature system its homo sapiens sapiens
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Meghna Thapar 5 years, 7 months ago

Methanobrevibacter smithii is a single-celled microorganism from the Archaea domain. M. smithii is a methanogen, and a hydrogenotroph that recycles the hydrogen by combining it with carbon dioxide to methane. Methanogenesis or biomethanation is the formation of methane by microbes known as methanogens. Organisms capable of producing methane have been identified only from the domain Archaea, a group phylogenetically distinct from both eukaryotes and bacteria, although many live in close association with anaerobic bacteria.

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Ayush Vishwakarma?? 5 years, 8 months ago

To detect the charges.from this activity you can find positive and negative charge in the system.

Yogita Ingle 5 years, 8 months ago

Following are the uses of electroscope:

  • It is used to detect the static charges
  • The nature of electric charges can be determined using an electroscope
  • The magnitudes of two different charges can be compared using an electroscope

Suseela Jalluri 5 years, 8 months ago

Machine designed for the purpose of detecting and measuring static electricity or voltage
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Andro Tech Gamer 5 years, 8 months ago

Non- nutritive components of diet:- all components of diet other than nutritive components are known as non nutritive components of diet. 4non-nutritive components of diet:- 1-fibre 2-roughage 3-water 4-plant compound 5-colour compound (Explanation required!!!!)
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Ayush Vishwakarma?? 5 years, 8 months ago

K is relative permittivity . It means Em/Eo=Er

Anamika Yadav 5 years, 8 months ago

K the relative permittivity
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Prachi Parmar 5 years, 7 months ago

Critofer Columbus span ka rahne vala tha jo ki 1451 m janma tha use ye lagta tha ki uske bhagya m west se yatra krke east m jana likha h . Vah bharat pahuchna chahta tha par vah America pahuch gaya 1492 m vah America pahucha us samay ye mna jata tha ki jo bhi desh ko khojega us desh ka nam us person k nam pr rakha jaega pr uske nam pr ek chhoti si jagah Colombia ka nam rakha gaya jaha pr vo gaya hi nhi kabhi or pure America mahadeep ka nam americo vesupussi ke nam pr rakh diya gaya

Kanak Gupta 7 Th 5 years, 8 months ago

Bhaaye pravaas kise kahte hai ?in hindi

Yogita Ingle 5 years, 8 months ago

Christopher Columbus is the explorer who is credited for discovering America. Of course, there were already people living in America at the time who we call Native Americans. There even was a European, Leif Ericsson, who had been to the Americas before. However, it was Columbus' voyage that started the exploration and colonization of the Americas.
 

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सारांश
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Abhishek Bisht 5 years, 8 months ago

Hardworking

Andro Tech Gamer 5 years, 8 months ago

Start from the beginning keep revise and understand the concept

Shubhendra Singh ? 5 years, 8 months ago

By being confident in yourself & believe yourself ?
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Suseela Jalluri 5 years, 8 months ago

Self pollination is likely to happen in hermaphrodite flowers due to many steps of self pollination it leads to interbreeding depression and results in homozygous genes thus plants choose cross pollination automatically factors are Unisexual flowers Non - synchronization Self incompatibility
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Because self fertilisation occurs in them
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Riya Kumari 5 years, 5 months ago

द्वितीय विश्वयुद्ध के बाद के काल में संयुक्त राज्य अमेरिका और सोवियत रूस के बीच उत्पन्न तनाव की स्थिति को शीत युद्ध के नाम से जाना जाता है। ... द्वितीय विश्वयुद्ध के दौरान संयुक्त राज्य अमेरिका, ब्रिटेन और रूस ने कंधे से कन्धा मिलाकर धूरी राष्ट्रों- जर्मनी, इटली और जापान के विरूद्ध संघर्ष किया था।
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Ayush Vishwakarma?? 5 years, 8 months ago

5 is come on any real no.because it is greatest integer fn and x is to small.
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Priya Bungla 5 years, 8 months ago

Arrangement committee, technical committee, boarding and lodging committee, announcement committee, reception committee, transportation committee, grounds and equipment committee medical and first aid committee, publicity committee, etc and many more
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Ayush Vishwakarma?? 5 years, 8 months ago

Vapour of solute and solvent

Ayush Vishwakarma?? 5 years, 8 months ago

Vapour pressure of liquid solution is state that the pressure exerted by the both solute and solvent or you can say that the pressure exerted by the solution on the above surface of liquid is called vapour pressure.
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Dev Biswakarma 5 years, 7 months ago

Sir kindly send me also

Tribhuwan Singh 5 years, 8 months ago

I have pdf

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