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Why glass are called supercooled liquids

Posted by Umesh Yadav 6 years, 8 months ago

CBSE > Class 12 > Chemistry

1 answers

Yogita Ingle 6 years, 8 months ago

Glass is a amorphous solid so all amorphous solid have a tendency to flow, though very slowly. Hence, glass is considered as a super cooled liquid. That is why the glass windows and doors become slightly thicker at the bottom than at the top with the time.

ANSWER

Charactersketch of miss edla

Posted by Vivek Kapoor 6 years, 8 months ago

CBSE > Class 12 > English Core

4 answers

Kanishka Pawar 6 years, 8 months ago

Bhai pta ni

S.... ????☺ 6 years, 8 months ago

Miss Elda is an daughter of factory owner and she convinced the paddler to come in her home and celebrate the Christmas with them and when paddler went to their home due to her father order she convinced her father and told him about the life of poor or middle class people who can't live their life as peacefully manner and they always dare from the questiong of police she is not so pretty but her heart is one of the thousand people she thinks about the people and also care it

Tannu Dalal 6 years, 8 months ago

She is very kind girl .she persuaded the paddler to go home because of her kind words.

Aryan Raj 6 years, 8 months ago

MiSs edla is a daughter of iron factory owner she is very good girl she Can attract anyone by his words

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Two insulated copper spheres AAnd B. Have a distance 50cm what is the electorstatic repulsive force .If the charde on earth is 6.5×10-7

Posted by Aryanika Agnihotri 6 years, 8 months ago

CBSE > Class 12 > Physics

3 answers

Anjaan Ladka 6 years, 8 months ago

Earth ka charge spheres me kaise rakh diya. Ye bhi bta do ki ye copy kaise kiya

Řøhăň Řąjpůť ✌️✊ 6 years, 8 months ago

bhai ye copy paste kese kiya. ? ?

Gaurav Seth 6 years, 8 months ago

Charge on sphere A, q_A = 6.5 × 10⁻⁷ C
Charge on sphere B, q_B = 6.5 × 10⁻⁷ C
Distance between the spheres, r = 50 cm = 0.5 m Force of repulsion between the two spheres

Therefore, the force between the two spheres is 1.52 × 10⁻²N.

ANSWER

Sample paper se jya profit hota hai

Posted by Satyam Verma 6 years, 8 months ago

CBSE > Class 12 > Accountancy

1 answers

Rohit Jaiswal 6 years, 8 months ago

Aap jitna padhe ho uska check out

ANSWER

Immune system gets weakened in AIDS .give reasons. (1 marks)

Posted by Imran 618 6 years, 8 months ago

CBSE > Class 12 > Biology

2 answers

Shivam Chaurasia 6 years, 8 months ago

Because synthesized dna by rna transcriptase not only affects t- lymphocytes, as well as other helper t lymphocytes so none of them remain left and body become deficient of immunity.in that case myobacterium or any normak disease could cause death.

Ayushi Gupta 6 years, 8 months ago

Because AIDS is not a disease its a sympton and it effect immune system an AIDS person can't die with AIDS they die with other disease because immune system get damaged in this disease so person losses its immune power to fight with other diseases

ANSWER

What are proto oncogenes

Posted by Imran 618 6 years, 8 months ago

CBSE > Class 12 > Biology

1 answers

Vishakha Dixit 6 years, 8 months ago

In our normal cells,cancer causing genes are also found.They are known as cellular oncogens and also known as proto oncogens.

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Intregal of dx/√1-sinx

Posted by Ankus Grade 6 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Define crystal field theory

Posted by Prawal Thenua 6 years, 8 months ago

CBSE > Class 12 > Chemistry

1 answers

Gaurav Seth 6 years, 8 months ago

he valence bond theory could not explain the stability of coordination compounds. It also failed to throw a light on the differences between strong and weak ligands. Therefore, scientists proposed the crystal field theory.

According to this theory, the metal-ligand bond acts as an ionic bond arising purely from the electrostatic interactions between the metal ions and ligands. This theory takes anions as point charges and neutral molecules as dipoles. When the transition metals do not bond to any ligand, their d orbitals degenerate. This means that they have the same amount of energy.

When they start bonding with other ligands, the d orbitals split apart and become non-degenerate. This bonding occurs mainly due to different symmetries of the d orbitals and the inductive effect of the ligands on the electrons. The pattern of the splitting of d orbitals depends on upon the nature of crystal field.

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X:x=2n,,n€N and n<_5

Posted by Ashi Ashi 6 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is caste system?

Posted by Meri Rupsi 6 years, 8 months ago

CBSE > Class 12 > History

2 answers

Shifa 1234 6 years, 8 months ago

You can see in the ncert textbook

Gaurav Seth 6 years, 8 months ago

According to D. N. Prasad, casteism is loyalty to caste translated into politics. It is an overriding blind and supreme group loyalty that ignores the healthy social standards of justice, their play, equality and universal brotherhood’.

ANSWER

Define Lactational Amenorrhea.

Posted by Jasmine Jasmine 6 years, 8 months ago

CBSE > Class 12 > Biology

1 answers

Gaurav Seth 6 years, 8 months ago

Lactational amenorrhea is based on the principle that during the period of intense lactation after parturition, the menstrual cycle or ovulation does not occur.

It has been noticed that during the period of intense lactation after the parturition, the mother does not undergo menstruation and ovulation so the chances of conception are nearly nill. It also has no side effects but is effective only upto a maximum period of six months after parturition.

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Apply guass law to show that for a charged spherical shell is as if the entire charge were concentrated at the centre

Posted by Sevti Mahave 6 years, 8 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Heredity and its types

Posted by Muskaan Rawat 6 years, 8 months ago

CBSE > Class 12 > Home Science

0 answers

ANSWER

What ia liabalites

Posted by Rintu Pandat 6 years, 8 months ago

CBSE > Class 12 > Accountancy

4 answers

Sneha Giri 6 years, 8 months ago

Which we have to pay in future

Sobit . 6 years, 8 months ago

Means it is a present obligation out of past event which will be paid in future

Jothi Jain 6 years, 8 months ago

Liable to pay in future

Shubh Malik 6 years, 8 months ago

Liabilities is the things which we paid in future

ANSWER

how to make yoga file for class 12

Posted by Shivam Gupta 6 years, 8 months ago

CBSE > Class 12 > Physical Education

1 answers

Sakshi Dwivedi 6 years, 8 months ago

Serach in Google and make neat and clean.

ANSWER

Diffrence between cdna and gdna

Posted by Bala Murugan 6 years, 8 months ago

CBSE > Class 12 > Biotechnology

1 answers

Ishana Milli 6 years, 8 months ago

Cdna stands for complementary dna. This is synthesised by the process of reverse transcription. In the process of transcription dna makes mrna strand and mrna through reverse transcription makes cdna on the action of enzyme reverse transcriptase. Cdna library will contain only those dna base sequences which have coding part or exon. Genomic or dna library have both coding and non coding parts in thier dna base sequences i.e. both exon and introns.

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In this year have a letter in bord exam

Posted by Jaya Verma 6 years, 8 months ago

CBSE > Class 12 > English Elective NCERT

1 answers

Shivam Gupta 6 years, 8 months ago

yes

ANSWER

Find the value at which the function f given by f(x)=(x-4)² (x+1)³has (i) local maxima (ii) local minima (iii)point of inflection

Posted by Aryan Pal Dhangar 6 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Free electrons are in continuous motion in a conductor. Even then no magnetic force acts on the conductor unless a current is passed through it. Why?

Posted by Rohit Kumar 6 years, 8 months ago

CBSE > Class 12 > Physics

3 answers

Shivam Chaurasia 6 years, 8 months ago

Bic net displacement during random motion is zeeo. So net w.done will be zero. So no any force will be effective untill they move with drift velocity.

Anjaan Ladka 6 years, 8 months ago

Beacuse there is a zig zag random motion of electrons inside a conductor the cancel out each othrer's motion thats why no charge moves inside a conductor. If charge does not move than no magnetic field is produced.But when an external electric field is applied free electrons start drifting in the opposite direction of electric field.That means electrons start performing motion thus producing magnetic field.

Aditya Dwivedi 6 years, 8 months ago

because the net q=0 in conductor

ANSWER

Concept of demonetisation and gst

Posted by Siddhi Agarwal 6 years, 8 months ago

CBSE > Class 12 > Economics

0 answers

ANSWER

How could questions be framed on topic POPULATION,ENVIRONMENT AND DEVELOPMENT

Posted by Amal Jyothi 6 years, 8 months ago

CBSE > Class 12 > Geography

0 answers

ANSWER

Aatanbaad kya h

Posted by Pooja Viswkrama 6 years, 8 months ago

CBSE > Class 12 > राजनीति विज्ञान

1 answers

Deepak Verma 6 years, 8 months ago

आतंकवाद एक प्रकार की हिंसात्मक गतिविधि होती है। अगर कोई व्यक्ति या कोई संगठन अपने आर्थिक, राजनीतिक एवं विचारात्मक लक्ष्यों की प्रतिपूर्ति के लिए गैर-सैनिक, अर्थात्, देश के नागरिकों की सुरक्षा को निशाना बनाए, तो उसे आतंकवाद कहते हैं। ... आतंकवाद को किसी भी धर्म से जोड़ा जाना गलत है।

ANSWER

How to write an effective essay

Posted by Ritik Sharma 6 years, 8 months ago

CBSE > Class 12 > हिंदी कोर

1 answers

Shivam Chaurasia 6 years, 8 months ago

Adding essay with moden and now a days happening things will make it effective . it must be full of data.

ANSWER

Can you suggest me a good book for indian economic development

Posted by Devansh Aggarwal 6 years, 8 months ago

CBSE > Class 12 > Economics

7 answers

Devansh Aggarwal 6 years, 8 months ago

Thankyou all

Harsh Panchal 6 years, 8 months ago

In my opinion ncert is the foundation of questions in board exam but to learn the points clearly for the particular topic tr jain would be the best option.

Neha _ 6 years, 8 months ago

TR Jain best

Mohit Kumar 6 years, 8 months ago

TR Jain is best

Sanjana . 6 years, 8 months ago

I think TR Jain is best for you

Vivek Mandal 6 years, 8 months ago

Sandeep garf

Aryan Raj 6 years, 8 months ago

TR Jain Sandeep Garg Ncert

ANSWER

An article on Indian weddings and extravagant affairs

Posted by Niharika Sihag 6 years, 8 months ago

CBSE > Class 12 > English Elective CBSE (Deleted)

0 answers

ANSWER

Kya chem se group 15(nitrogen famly) delete kr diya gya h

Posted by Tarun Kumar 6 years, 8 months ago

CBSE > Class 12 > Chemistry

14 answers

K@Łp@N@ $Øđh!?? 6 years, 8 months ago

Yes it is deleted.

Tanvi Toor 6 years, 8 months ago

Yes it is deleted ?

Md Saquib Hussain 6 years, 8 months ago

Yes, it is deleted

Abhishek Bajpai 6 years, 8 months ago

No, according to the latest performa of the cbse it is clearly obserbed that the chaper Nitrogen is considered as a whole unit as organic compounds containing Nitrogen which contain many new + old concepts.so be ready and All the best.

Tarun Kumar 6 years, 8 months ago

1 bio, 2chemistry

Prakash Chand 6 years, 8 months ago

Yes

Tarun Kumar 6 years, 8 months ago

I am very thankful to u for answering me 1st bt i wasn't having an intension to hurt u soory??

Ďãřşháñăã Yadav ? ? ? 6 years, 8 months ago

arrey Jis ne ye question pucha hai usi ne bola hai iss question ka nhi dusre question ka answer maang ra hai vo jo isne kuch din pehle post kiya tha... maine vahi pucha hai isse ke konse subject mein question post kiya hai agar mujhe aata hoga toh mai answer de dungi.

Ďãřşháñăã Yadav ? ? ? 6 years, 8 months ago

hyy will u pls tell me in which subject u had posted those questions. May be I can help ? I will try if I know the answer of that question.

Priya Dharshini 6 years, 8 months ago

Yes it is deleted..

Tarun Kumar 6 years, 8 months ago

Not this ques. that i had uploaded 2or3 day before.

Niharika Sihag 6 years, 8 months ago

Yes

Tarun Kumar 6 years, 8 months ago

Please answer my questions.noone has replied yet

꧁≪Mämƭå ℭℏ۝ᑌĎℎàℜÿ? 6 years, 8 months ago

Yes...it has been deleted surely...

ANSWER

Calculate the osmotic preesure of the solution obtained by mixing 200 cm^3 of 2% (w/v) solution of urea with 200 cm^3 of 3.42% solution of sucrose at 20°C. (R=0.083 L bar K^-1 mol^-1)

Posted by Anjaan Ladka 6 years, 8 months ago

CBSE > Class 12 > Chemistry

9 answers

Ďãřşháñăã Yadav ? ? ? 6 years, 8 months ago

nope I can't share. ?

Anjaan Ladka 6 years, 8 months ago

Also check my another question below this one and try to answer that

Anjaan Ladka 6 years, 8 months ago

Can u share ur email

Ďãřşháñăã Yadav ? ? ? 6 years, 8 months ago

it's quite difficult here to give solution of numerical. ? but hope u understand it.

Ďãřşháñăã Yadav ? ? ? 6 years, 8 months ago

➡️Mass of urea = 4/60= 0.066mol. ➡️ mass of Sucrose in 200cm ^3= 0.02 mol. ➡️ total volume of sol. = 400 cm^3 ➡️ osmotic pressure due to urea = 0.066*1000*0.083*293/400=4.01 bar ➡️ osmotic pressure due to Sucrose = 0.02 *1000*0.083 *293/400=1.215 bar ➡️ total osmotic pressure = 4.01+1.215=5.225 bar.

Anjaan Ladka 6 years, 8 months ago

Btw according to exact calculations from calculator It is 5.269 bar

Anjaan Ladka 6 years, 8 months ago

Full calculations please

Řøhăň Řąjpůť ✌️✊ 6 years, 8 months ago

yes it is the correct answer. but how will u show full calculation.? ?