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methods to separate colloidal solution

Posted by Dgf Chd 5 years, 3 months ago (4635669)

CBSE > Class 12 > Chemistry

1 answers

Tanya ?? 5 years, 3 months ago (9516882)

Colloids can't be separated by filtration as the size of particles are too small to be individually seen by naked eyes. But we use a special technique called centrifugation....... centrifugation is The process employs the principle that particles that are dense settle at the bottom whereas the lighter particles stay at the top when spun rapidly.

0 Thank You

ANSWER

Purification of colloidal solution

Posted by Dgf Chd 5 years, 3 months ago (4635669)

CBSE > Class 12 > Chemistry

1 answers

Yogita Ingle 5 years, 3 months ago (2577571)

Lyophilic & Lyophobic Colloids:

Lyophilic colloids can be prepared by just heating the solid with the liquid dispersion medium.

Whereas the lyophobic colloids cannot be prepared just by heating, they need to be prepared by some special methods.

The two methods by which the lyophobic colloids can be prepared are as follows:

Dispersion method
Aggregation method

0 Thank You

ANSWER

Role of tertiary / service sector in the economy of the country? ( long question)

Posted by Simran Shira 5 years, 3 months ago (9662646)

CBSE > Class 10 > Social Science

1 answers

Aashna Singh 5 years, 3 months ago (2350738)

Tertiary sector activities help in the development of primary and secondary sectors. Tertiary sector do not produce goods but they are a support for the production. Tertiary sector includes goods transportation by trains or trucks, finance, banking, insurance etc.

2 Thank You

ANSWER

Which are the vehicles you have travelled in

Posted by Saurav Kumar Bhagat Bhagat 5 years, 3 months ago (9872331)

CBSE > Pre-School > EVS Nusery

5 answers

Rohitha S 5 years, 2 months ago (9440532)

??✈️?

0 Thank You

Rakssitha Rakssitha 5 years, 2 months ago (3949044)

Bike ,car , areoplane, scooter ,horse riding ,train, and so so many.

2 Thank You

Shri Thakshana 5 years, 2 months ago (9996207)

?️??????‍♂️???‍♀️????✈️???‍♀️

2 Thank You

Icha Pachar 5 years, 2 months ago (9998729)

?‍♂️?‍♀️?‍♂️???‍♂️?‍♀️??????????????????????????????????????????

2 Thank You

Jaimin Kumar Mahida 5 years, 3 months ago (5001568)

????????????????

3 Thank You

ANSWER

how to find average ??

Posted by Rudraa Dhanani 5 years, 3 months ago (8570944)

CBSE > Class 07 > Mathematics

2 answers

S. Srikanth S 5 years, 3 months ago (9515192)

Son of a bitch

0 Thank You

S. Srikanth S 5 years, 3 months ago (9515192)

Son of a bitcg

0 Thank You

ANSWER

Some seats are distributed among 40 kids had there been 20 more kids each kid would have received 5 feet less how many sweets were there in total

Posted by Neeelam Rani 5 years, 3 months ago (9859307)

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Though Peggy and Maddie were good friends, they differed greatly in their thinking. Substantiate giving references from the story ‘The Hundred Dresses’.

Posted by Shruti Mehrotra 5 years, 3 months ago (9015628)

CBSE > Class 10 > English Language and Literature

1 answers

0 Nox Gaming Singh 4 years, 6 months ago (11399069)

no ans

1 Thank You

ANSWER

What are the functions of cytoplasm

Posted by Ankit Kumar 5 years, 3 months ago (9870501)

CBSE > Class 09 > Science

4 answers

Lalit Kumar 5 years, 3 months ago (8498805)

Cyroplasm is a jelly like structure present between the cell membrane and the nucleus it helps in transfer of genes from the parents to the off springs

1 Thank You

Devansh Dixit 5 years, 3 months ago (9796558)

The cytoplasm provides a medium for the organelles to remain suspended. The cytoplasm acts as a buffer and protects the genetic material of the cell and also the cellular organelles from damage caused due to movement and collision with other cells. Cellular respiration begins in the cytoplasm with glycolysis.The jelly-like fluid of the cytoplasm is composed of salt and water and is present within the membrane of the cells and embeds all of the parts of the cells and organelles. The cytoplasm is home to many activities of the cell as it contains molecules, enzymes that are crucial in the break down of the waste.

2 Thank You

Samiksha Singaraj 💫 5 years, 3 months ago (9666585)

Cytoplasm is a jelly like structure present between the cell wall and the cell membrane. It helps in transfer of genes from the parents to the off spring.

2 Thank You

Manyata Joshi 5 years, 3 months ago (9735624)

2 Thank You

ANSWER

Write the html code to generate the following output welcome to dubai

Posted by Aadhya Thakre 5 years, 3 months ago (9872336)

CBSE > Class 10 > Computer Applications (165)

1 answers

Sharma Rahul 2 years, 7 months ago (9912858)

<html> <head> <title>This is your Title</title> <body>

Welcome to Dubai

</body> </head> </html>

11 Thank You

ANSWER

Which three challenges do you feel are being faced by political parties in India? Give your opinion.

Posted by Gopal Roy 5 years, 3 months ago (8638684)

CBSE > Class 10 > Social Science

2 answers

Simran Shira 5 years, 3 months ago (9662646)

Following are the challenges faced by political parties:- *Lack of internal democracy:- 1.) Parties do not keep membership register. 2.) They do not regularly hold organisational meetings. 3.) They do not conduct internal elections regularly. *Dynastic succession:- In many parties, the top positions are always controlled by members of one family. This is unfair to other members of that party. *Money and muscle power:- The parties are indulged in the use of money and muscle power for wining elections. This hampers the democracy from developing and lessons the importance of genuine leaders with in the party.

1 Thank You

Tejasvini S 5 years, 3 months ago (9158229)

Lack of internal democracy. All over the world, there is a tendency of political parties towards the concentration of power in one or few leaders at the top. Parties do not keep membership register. They do not conduct internal elections regularly. Ordinary members of the party do not have sufficient information as to what happens inside the party. No Transparency. Since most political parties do not practice open and transparent procedures for their functioning, these are very few ways for an ordinary worker to rise to the top in a party. Those who happen to be the leaders are in a position of unfair advantage to famous people close to them or even their family member. In many parties, the top positions are always controlled by members of one family. Money and Muscle Power Since parties are focussed only on winning elections, they tend to use short cuts to win elections. They tend to nominate those candidates who have or can raise a lot of money. Rich people and companies who give funds to the parties tend to have influence on the policies and decisions of the party.

1 Thank You

ANSWER

What is alignment? Define any three alignment.

Posted by Sakshi Priya 5 years, 3 months ago (8501306)

CBSE > Class 10 > Computer Applications (165)

2 answers

Lohitha Pilla 5 years, 2 months ago (9260551)

Alignment is a phrase used to refer the positioning with text on a computer.Following are the type of alignments available in word is given below Explanation: There are 4 types of alignment in the word Left -aligned In the left-Alignment the text is aligned in the left position in the microsoft word .We used Ctrl+L shortcut key to align the text in the left. Right-aligned In the Right-Alignment the text is aligned in the right position in the Microsoft word .We used Ctrl+R shortcut key to align the text in the right. Center-aligned In the center-Alignment the text is aligned in the center position in the Microsoft word .We used Ctrl+E shortcut key to align the text in the center. Justified-aligned The justified alignment set the alignment in the right as well as in the left position in the word .We used Ctrl+J shortcut key to align the text in the left.

0 Thank You

Yogita Ingle 5 years, 3 months ago (2577571)

Alignment is a phrase used to refer the positioning with text on a computer.Following are the type of alignments available in word is given below

Explanation:

There are 4 types of alignment in the word

Left -aligned

In the left-Alignment the text is aligned in the left position in the microsoft word .We used Ctrl+L shortcut key to align the text in the left.

Right-aligned

In the Right-Alignment the text is aligned in the right position in the Microsoft word .We used Ctrl+R shortcut key to align the text in the right.

Center-aligned

In the center-Alignment the text is aligned in the center position in the Microsoft word .We used Ctrl+E shortcut key to align the text in the center.

Justified-aligned

The justified alignment set the alignment in the right as well as in the left position in the word .We used Ctrl+J shortcut key to align the text in the left.

1 Thank You

ANSWER

What do mean by instant Messaging ?Write it's advantages.

Posted by Sakshi Priya 5 years, 3 months ago (8501306)

CBSE > Class 10 > Computer Applications (165)

1 answers

Yogita Ingle 5 years, 3 months ago (2577571)

Instant messaging technology is a type of online chat that offers real - time transmission over the internet.

Advantages of Instant Messaging in Business

Unlike emails where you have to wait for messages to download from the server, use of instant messaging allows you to communicate with users in real time. ... Instant messaging could also be used for faster internal communications too.

2 Thank You

ANSWER

How can we insert a picture in a header??

Posted by Sakshi Priya 5 years, 3 months ago (8501306)

CBSE > Class 10 > Computer Applications (165)

0 answers

ANSWER

What is brownian motion?

Posted by Deepak Baranwal 5 years, 3 months ago (9190645)

CBSE > Class 12 > Chemistry

1 answers

Tanya ?? 5 years, 3 months ago (9516882)

the erratic random movement of microscopic particles in a fluid, as a result of continuous bombardment from molecules of the surrounding medium.

1 Thank You

ANSWER

Polity

Posted by Gurman Sandhu 5 years, 3 months ago (9865017)

CBSE > Class 08 > Social Science

1 answers

Aryan Choudhary 5 years, 3 months ago (9874274)

answer

0 Thank You

ANSWER

Write a diary entry on begging children , describing you feelings . Suggest way of helping them in a best way .

Posted by Muskan Verma 5 years, 3 months ago (9053934)

CBSE > Class 08 > English

0 answers

ANSWER

what does socio-economic mean?

Posted by Vupala Indresh 5 years, 3 months ago (9110038)

CBSE > Class 10 > Social Science

1 answers

Tejasvini S 5 years, 3 months ago (9158229)

Socioeconomic status is the social standing or class of an individual or group. It is often measured as a combination of education, income and occupation. Examinations of socioeconomic status often reveal inequities in access to resources, plus issues related to privilege, power and control.

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ANSWER

Can you say how may 10 is 'an autumn day ' in South Africa ?

Posted by Kamal Sheikh 5 years, 3 months ago (8985821)

CBSE > Class 10 > English Language and Literature

1 answers

Akhya Sahay 5 years, 3 months ago (4613206)

I didn't understand your question

0 Thank You

ANSWER

Write short note of jig- saw- feet

Posted by Damendra Singh 5 years, 3 months ago (9735233)

CBSE > Class 11 > Geography

0 answers

ANSWER

1.A projectile is fired with a velocity u making an angle theta with the horizontal. Show that its trajectory is a parabola. Derive expressions for i) time of maximum height ii)time of flight iii)maximum height iv)horizontal range.

Posted by Rithika S 5 years, 3 months ago (9821709)

CBSE > Class 11 > Physics

0 answers

ANSWER

A collection of unorgnaised facts figures and statista related to an object

Posted by Pvr Reddy 5 years, 3 months ago (6744134)

CBSE > Class 08 > Computer

2 answers

Sneha Swami 5 years, 3 months ago (7447851)

Data

0 Thank You

Varunika Singh 5 years, 3 months ago (9174938)

The answer is data

4 Thank You

ANSWER

What does Neruda mean by ‘an exotic moment without rush’ in his poem, ‘Keeping Quiet’?

Posted by Mohd Imran 5 years, 3 months ago (9746164)

CBSE > Class 12 > English Elective NCERT

1 answers

Yogita Ingle 5 years, 3 months ago (2577571)

Poet Neruda wishes to have total inactivity. Unnecessary rush and hurry have troubled and tensed all of us. The noise of machines creates disturbance when everything is at rest, it will be an exotic moment. It will give us unusual feeling and all will enjoy sudden strangeness. All will feel one with all others and leave aside all the selfish ends.

0 Thank You

ANSWER

what is the diffrence between pisces and reptiles

Posted by Vanshika Agarwal 5 years, 3 months ago (9872125)

CBSE > Class 07 > Science

2 answers

Vikas Kumar Yadav 5 years, 3 months ago (9875387)

Thanks

0 Thank You

Yogita Ingle 5 years, 3 months ago (2577571)

Pisces :

● This class compromises of fishes which are aquatic, free living and develop system level of organisation.

● They are bilaterally symmetrical and contain three germ layers - endoderm, mesoderm and ectoderm ( Triploblastic ).

● They are coelomate and locomotion occurs through streamlined body and forelimbs modified into fins.

● Respiration occurs through gills. Heart is 2 chambered containing 1 auricle and 1 ventricle.

● Exoskeleton is in form of rough scales. While inmer body is made up of cartilage and bones.

● They are cold - blooded and can't control their body temperature. The reproduction occurs sexually. Sexes are seperate and they lay eggs.

Eg = Catla ( Catla ), Electric Ray ( Torpede ), dog fish ( Scolidon ), Rohu ( Labeo ), Flying fish ( Exocoetus ).

Reptilia :

● This class compromises of organism which are aquaticnor terristial, free living and develop system level of organisation.

● They are bilaterally symmetrical and contain three germ layers - endoderm, mesoderm and ectoderm ( Triploblastic ).

● They are coelomate and locomotion occurs through pentadactyle. The heart is three chambered with 2 auricle and 1 ventricle.

● The exoskeleton us made up of scales where as endoskeleton of bones.

● Respiration takes place due to presence of lunges.

● They are cold blooded organism.

● They reproduce sexually where their eggs contain extra embryonic membranes.

Eg. =Magur ( Crocoldilus ), wall lizard ( Hemidactylus ), Trotoise ( Testudo ) and Garden lizard ( Chameleon ).

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ANSWER

What human values did the two young boys reflect in their character of Aramand Mourad?

Posted by Nishtha Rathod 5 years, 3 months ago (9871691)

CBSE > Class 11 > English Core

0 answers

ANSWER

mechanism of ethanol to ethene

Posted by Geeta Narayanan 5 years, 3 months ago (5336708)

CBSE > Class 12 > Chemistry

0 answers

ANSWER

compare the democratic system of both China and Mexico and tell explain how being a democratic country still they are not partising democracy

Posted by Hitesh Kumar 5 years, 3 months ago (9872092)

CBSE > Class 09 > Social Science

1 answers

Gaurav Seth 5 years, 3 months ago (2898529)

China:

(i) In China, the elections do not offer people any choice.

(ii) They have to choose the ruling party and the candidates approved by it.

Mexico:

(i) In Mexico, the people seemed to have a choice but practically they did not have any choice.

(ii) There was no way that the ruling party could be defeated, even if the people were against it.

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ANSWER

Posted by Aniket Sutar 5 years, 3 months ago (9871204)

ICSE & ISC > Class 08 > History & Civics

0 answers

ANSWER

What is range of 10 students

Posted by Priyank Sahu 5 years, 3 months ago (9872065)

CBSE > Class 07 > Mathematics

1 answers

Jagriti Roy?? 5 years, 2 months ago (9975526)

Range is the difference between the lowest and highest values . So , let the height of 10 students be : (St=student) St.1 = 121 cm " 2 = 130 cm " 3= 125 cm " 4 = 129 cm " 5 = 135 cm " 6 = 126 cm " 7 = 120 cm " 8 = 119 cm " 9 = 131 cm " 10 = 123 cm The highest height is 135 cm The lowest height is 119 cm So , ( highest - lowest ) cm ( 135 - 119 ) cm = 16 cm The answer is : The range of heights of 10 students = 16 cm.

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ANSWER

For what value of k, the pair of linear equations 3x+y=3 and 6x+ky=8 does not have a solution.

Posted by Tarak Op 5 years, 3 months ago (9568181)

CBSE > Class 10 > Mathematics