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For demonstrating the preparation of soap in the lab which of the following combination of an oil and a base would be most suitable : 

a.   Mustard oil & calcium hydroxide 

b.  Castor oil & calcium hydroxide 

c.  Turpentine oil & sodium hyroxide

d.  Mustard oil & sodium hydroxide

Posted by Aayush Rana (Mar 23, 2017 1:29 p.m.) (Question ID: 4442)

What is the other name of ration shop

Posted by Tanisha Jain (Mar 23, 2017 12:42 p.m.) (Question ID: 4441)

Classify the disease into categories on the basis of period of their appearance and explain in brief. give two example of disease of each category.

Posted by Sahil Jaiswal (Mar 23, 2017 12:21 p.m.) (Question ID: 4440)

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Posted by Pratit Luthra (Mar 23, 2017 12:04 p.m.) (Question ID: 4439)

  • GUYS IF YOU WANT GRACE MARKS IN MATHEMATICS THEN PLEASE SIGN THIS PETITION....

    Posted by Pratit Luthra (Mar 23, 2017 12:06 p.m.)
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Who came first hen or egg plz...answer soon....i need it...???

Posted by Chandan kr. Jha (Mar 23, 2017 11:35 a.m.) (Question ID: 4438)

Who was barbar

Posted by Chandan kr. Jha (Mar 23, 2017 11:26 a.m.) (Question ID: 4437)

  • Answers:
  • Just jocking.....guyss i know....

    Answered by Chandan kr. Jha (Mar 23, 2017 11:28 a.m.)
    Thanks (1)
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A tarder bought number of article for Rs. 900, five article are found to be damage,  he sold remaining article for Rs. 80.find the number of article. 

Posted by Kishore Kumar (Mar 23, 2017 11:03 a.m.) (Question ID: 4436)

Two parallel force of magnitude 4 and 6 newton are acting on a body placed at 4m apart. Resultant force will be

Posted by Deepak James (Mar 23, 2017 10:48 a.m.) (Question ID: 4435)

How to study for board exams for English 

 

Posted by Shivam Jaiswal (Mar 23, 2017 9:45 a.m.) (Question ID: 4434)

  • practice last year papers withing 3 hours...it has helped me too in my board exam....try to manage the time and write the answers by yourself....reading the summaries only wont help till u write the answers by yourself

    Posted by Jasgul Bambah (Mar 23, 2017 11:28 a.m.)
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who is snake

Posted by om prakash bijalwan (Mar 23, 2017 9:28 a.m.) (Question ID: 4433)

is_/3,_/6_/9_/12  form an a.p. ??

sir I need answer immediately 

Posted by adhyatamjot singh (Mar 23, 2017 8:45 a.m.) (Question ID: 4432)

define avogadro constant

Posted by Aashish Dewangan (Mar 23, 2017 8:07 a.m.) (Question ID: 4431)

  • Answers:
  • Avogardo number is the a constant that represpents 6.22 x 1023 particles. it is the number of particles present in one mole of  any element or molecule.

    Answered by RAJENDRA SINGH (Mar 23, 2017 8:28 a.m.)
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What is gravitation

Posted by Lucky Boy (Mar 23, 2017 7:36 a.m.) (Question ID: 4430)

  • Answers:
  • Gravitation is the force by which earth attracts all the objects towards its centre.

    Answered by RAJENDRA SINGH (Mar 23, 2017 8:29 a.m.)
    Thanks (0)
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what is drainage system 

Posted by Ashwani Singh (Mar 23, 2017 7:26 a.m.) (Question ID: 4429)

Why caesar accepted the interpretation of Brutus.?

 

Posted by pritish pandey (Mar 23, 2017 6:17 a.m.) (Question ID: 4428)

Why carboxylic acid does not undergo friedal craft reaction ?

Posted by chetan pandey (Mar 23, 2017 1:01 a.m.) (Question ID: 4427)

  • Answers:
  • Ans. Carboxylic acid does not undergo Friedel-Craft's reaction because the Carboxyl group is deactivating and the catalyst AlCl3(anhy.) gets bonded to Carboxyl group.

    Answered by Naveen Sharma (Mar 23, 2017 4:55 a.m.)
    Thanks (1)
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descibe the lifestyle of the paharias

Posted by Rupinder Singh (Mar 23, 2017 12:10 a.m.) (Question ID: 4426)

  • Answers:
  • Ans.

    1. The Paharias were people who resided in the areas around the Rajmahal hills and practiced shifting agriculture.
    2. They grew a variety of pulses and millets for consumption and collected forest produce like mahua flowers, resin and silk cocoons for sale.
    3. They resisted outside interference and their chiefs maintained unity amongst them and led them into battles with other hill tribes and people in the plain.
    4. They also raided the plains in the times of scarcity.
    5. The Zamindars and the traders paid them tribute money to pacify them.
    Answered by Naveen Sharma (Mar 23, 2017 4:58 a.m.)
    Thanks (0)
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What is D-D transition?

Posted by Bhavna Rawal (Mar 22, 2017 11:49 p.m.) (Question ID: 4425)

  • Answers:
  • Ans. In the transiton metal ions the electrons can be promoted from one energy level to other energy level in the same d-subshell.this phenomenon is called d-d-transition.By this property only transiton elements show colour.

    Answered by Naveen Sharma (Mar 23, 2017 5:03 a.m.)
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difference between travalogue and farmans ?

 

Posted by Harmehar Malhotra (Mar 22, 2017 11:23 p.m.) (Question ID: 4424)

What is a poverty line and tell  according to income of poor people? 

Posted by chirag saxena (Mar 22, 2017 11:10 p.m.) (Question ID: 4423)

Give two example of supernatural in the rime of ancient Marriner

 

Posted by Mayank Nigam (Mar 22, 2017 11:03 p.m.) (Question ID: 4422)

  • Answers:
  • Ans. The supernatural element is very prominent in the poem. The supernatural is evident from the very beginning of the poem.

    The main character, the ancient mariner with his ‘glittering eyes’ casts a spell on a wedding guest and compels him to listen to his story.

    Another example of the supernatural is the albatross, which the mariner encounters on his journey.

    The sudden sinking of the ship, a skeleton ship and many other supernatural incidents are there in the poem.

    Answered by Naveen Sharma (Mar 23, 2017 5:10 a.m.)
    Thanks (0)
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what are ions?

 

Posted by HARSH SINGH (Mar 22, 2017 9:08 p.m.) (Question ID: 4421)

  • Answers:
  • Charge particles are called ions. Positevely charged ions are called cation and negatively charged ions are called anion.

    Answered by RAJENDRA SINGH (Mar 22, 2017 9:46 p.m.)
    Thanks (0)
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any four characterstics of the frog?

 

Posted by HARSH SINGH (Mar 22, 2017 9:08 p.m.) (Question ID: 4420)

  • Answers:
    • Frog is an amphibian.
    • It is cold blooded animal.
    • It can live in water as well as land.
    • body is soft and slippery.
    Answered by RAJENDRA SINGH (Mar 22, 2017 9:49 p.m.)
    Thanks (0)
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what is atomic no.?

 

Posted by HARSH SINGH (Mar 22, 2017 9:07 p.m.) (Question ID: 4419)

  • Answers:
  • The number of protons present in the nucleus of an atom is called atomic number.

    Answered by RAJENDRA SINGH (Mar 22, 2017 9:50 p.m.)
    Thanks (0)
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what is nomenclature?

 

Posted by HARSH SINGH (Mar 22, 2017 9:07 p.m.) (Question ID: 4418)

  • Answers:
  • The process of naming scientifically following rules is balled nomenclature. In biology it is called as binomial nomenclature.

    Answered by RAJENDRA SINGH (Mar 22, 2017 9:51 p.m.)
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what is the symbol,atomic no. and atomic mass of sodium?

 

Posted by HARSH SINGH (Mar 22, 2017 9:07 p.m.) (Question ID: 4417)

  • Answers:
  •  symbol- Na

    atomic no- 11

    atomic mass- 23

    Answered by anisha grover (Mar 22, 2017 9:30 p.m.)
    Thanks (0)
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what is nucleus of an atom?

 

Posted by HARSH SINGH (Mar 22, 2017 9:06 p.m.) (Question ID: 4416)

  • Answers:
  • The centre of atom where proton and nuetron are present is called as nuclus. Nucleus is positively charged.

    Answered by RAJENDRA SINGH (Mar 22, 2017 9:53 p.m.)
    Thanks (0)
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who found electrons?

 

Posted by HARSH SINGH (Mar 22, 2017 9:05 p.m.) (Question ID: 4415)

  • Answers:
  • Electron is discovered by J J Thomson.

    Answered by RAJENDRA SINGH (Mar 22, 2017 9:54 p.m.)
    Thanks (0)
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what is scientific name of tiger?

 

Posted by HARSH SINGH (Mar 22, 2017 9:05 p.m.) (Question ID: 4414)

  • Answers:
  • Scientific name of tiger is Panthera tigris

    Answered by RAJENDRA SINGH (Mar 22, 2017 9:57 p.m.)
    Thanks (0)
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what is scientific name of humans?

Posted by HARSH SINGH (Mar 22, 2017 9:04 p.m.) (Question ID: 4413)

  • Answers:
  • Homo sapience

    Answered by RAJENDRA SINGH (Mar 22, 2017 10 p.m.)
    Thanks (0)
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