Entrance Exam > NEET-UG > Chemistry | CBSE Board | Homework Help

If the medium surrounding the cell is of exactly the same water concentration as inside the cell, there will be no net movement of water across membrane resulting in no change in size of cell. Such solution is called Isotonic solution.

(iii) Hypertonic solution:

If the medium surrounding the cell has a lower water concentration than inside the cell, i.e., if the solution is highly concentrated, then the cell will lose water through osmosis. Such concentrated solution is called Hypertonic solution.

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An element has two isotopes with mass numbers Z+2 and Z-1. If the atomic mass of the element be Z, then the abundance of the lighter isotope ??

Posted by Agomoni Mukherjee 3 months ago

Entrance Exam > NEET-UG > Chemistry

3 answers

Prince Yadav 1 month, 3 weeks ago

Answer here's

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Navneesh Kumar 2 months ago

Yes

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Gangabai Mani 2 months, 1 week ago

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Hypothetical reaction X give rise to do Why preceded by the following sequence of steps first step is half X give rise to Z delta H is equals to Q1 second step is said that give rise to 2w delta H is equals to Kyoto third step SW give rise to half of my that is delta H is equals to Q3 the value of delta H of reaction is

Posted by Sapna Kumari 3 months, 2 weeks ago

Entrance Exam > NEET-UG > Chemistry

0 answers

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The standard Gibbs energy changes from a gaseous reaction at 27 degree celsius is X KCL is equilibrium constant for a reaction is hundred and R is to calorie per Kelvin for more then X is

Posted by Sapna Kumari 3 months, 2 weeks ago

Entrance Exam > NEET-UG > Chemistry

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Calculate the molar mass of the following h2o

Posted by Ankit Raj 4 months, 1 week ago

Entrance Exam > NEET-UG > Chemistry

4 answers

Piya Rani 2 months ago

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Navneesh Kumar 2 months ago

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Bhawana Pradhan 4 months ago

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Dhanraj Khatarkar 4 months ago

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Bengoic acid is heated what will happen

Posted by Manojit Das 4 months, 1 week ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Sanju Gm 2 months, 3 weeks ago

When benzoic acid is heated in presence of a strong dehydrating agent like P2O5 or H2SO4, it forms benzoic anhydride

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What is the weightage of organic chemistry? Is it ok if i just leave this organic part in chem

Posted by Sandhiya Sharma 4 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

0 answers

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What is ARGYROL? And its use?

Posted by Parag Ingole 4 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Yogita Ingle 4 months, 3 weeks ago

Argyrol is a silver sol and is used as an eye lotion. It is manufactured in the chemical industry to pharmaceutical-grade only, using denatured pharmaceutical-grade protein for ophthalmic application and elemental silver, to produce the silver protein molecule.
Also, colloidal antimony (kajal) has been found effective in treating eye diseases.

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Chemical formula of washing soda

Posted by Leela Devi Leela Devi 6 months ago

Entrance Exam > NEET-UG > Chemistry

3 answers

Vansh Mishra 4 months, 4 weeks ago

Na2CO³.10H2O

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Nithisha Mondi 5 months, 2 weeks ago

Na2co3.10H2o

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Leela Devi Leela Devi 5 months, 2 weeks ago

Answer

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How to open Chemistry notes in this app

Posted by Chetan Machkure 6 months ago

Entrance Exam > NEET-UG > Chemistry

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What will be the molar conductance ^ if resistivity is x for 0.1N \mathrm{H}_{2} \mathrm{SO}_{4} solution ?

Posted by Taj Rahaman 7 months ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Aswimsivam Aswinsivam 6 months, 3 weeks ago

Obtion

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Polymers chapter

Posted by Reena Attri 7 months ago

Entrance Exam > NEET-UG > Chemistry

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Describe the relation between li and mg with the help of two illustrative properties

Posted by Bhupesh Walde 7 months, 4 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Gunjan Girdhar 6 months, 2 weeks ago

Diagonal relationship

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How to learn organic names of the organic compounds

Posted by Mohamed Abdullah 8 months, 1 week ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Sachin Sumanth 8 months, 1 week ago

Names are not that much necessary.only the name reactions and conversions are important.so practice and memorise them.if you want to memorise names then follow pneumatics and learn

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What is science

Posted by Rupalikumari Rupalikumari 8 months, 2 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Sachin Sumanth 8 months, 1 week ago

Science is the study of physical,chemical and biological composition and aspects of all ecosystems and life forms from the birth of this universe

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Detail Ambident nucleophiles

Posted by Sangeeta Sinha 8 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Gunjan Girdhar 6 months, 2 weeks ago

Connecting species from both sides or said to be ligand that attach from both the sides example CN the site is preaent from c as well as n...... From c they r kn as cyanide n from n they r cd isocyanide

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Easy notes for school exam for organic chemistry .....

Posted by Riya Sharma 8 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

2 answers

Aditya Chauhan 8 months, 3 weeks ago

But here i cant upload the pfds is there any other way

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Aditya Chauhan 8 months, 3 weeks ago

I have i can provide you

5Thank You

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Solid state comes or not in class 12 boards this year???

Posted by Abhishek Sarraf 8 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Gunjan Girdhar 6 months, 2 weeks ago

Not included

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An element forms two oxides having percentage of Eis 50% and 40% if formula of I oxide is EO, then find formula of IInd oxide.

Posted by Abhishek Sahu 10 months, 2 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Anusha Malasani 9 months ago

E2O3

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How to study cemistry?(some tricks or solutions in easy way)

Posted by Samina Khan 10 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Aditya Chauhan 8 months, 4 weeks ago

First finish phusical portion with short summary and learning formulas Then finish organic Than inorganic after completing the theory portions go on numericals objective one with the book you are doing for neet preperation

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What is mole

Posted by Bodapati Ramesh 10 months, 3 weeks ago

Entrance Exam > NEET-UG > Chemistry

2 answers

Yogita Ingle 10 months, 3 weeks ago

Atoms and molecules are too small to count. To solve this problem their numbers are expressed in terms of Avogadro’s number (N_A = 6.023 10²³). Mole is the number equal to Avogadro’s number just like a dozen is equal to 12, a century means 100, a score means = 20.

Mole can be defined as a unit which represents 6.023 x10²³ particles of same matter.

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Bodapati Ramesh 10 months, 3 weeks ago

6.022×10"23

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Chelate ligand and ambidendate ligand

Posted by Ghanshyam Singh Rawat 10 months, 4 weeks ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Ankur Sonar 10 months, 2 weeks ago

Chelate ligand= forming chelating complexes Ambidentate ligand=which act as ambidient in nature

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ANSWER

What is primary valency in coordination compounds

Posted by Ghanshyam Singh Rawat 10 months, 4 weeks ago

Entrance Exam > NEET-UG > Chemistry

2 answers

Ankur Sonar 10 months, 2 weeks ago

Oxidation state of the compound

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Himanshu Bansal 10 months, 4 weeks ago

The central metal or the metal atoms in coordination compounds show two types of valency. They are the primary and secondary valency. The primary valency relates to the oxidation state and the secondary valency relates to the coordinate number. The number of secondary valences is fixed for every metal atom.

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Oxidation number of sulphur in KAl(SO4)2.12H2O

Posted by Amit Ranjan 11 months, 1 week ago

Entrance Exam > NEET-UG > Chemistry

0 answers

ANSWER

what is the configuration sodium and potassium

Posted by Aasir Naved 11 months, 1 week ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Sanju Gm 2 months, 3 weeks ago

Sodium- [Ne] 3s¹ Potassium- [Ar] 4s¹

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Ncert all question solution

Posted by Mohammed Salamuddin 11 months, 1 week ago

Entrance Exam > NEET-UG > Chemistry

0 answers

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Define polymers

Posted by Rohit Holiday 12 months ago

Entrance Exam > NEET-UG > Chemistry

0 answers

ANSWER

Ethen_2_ol and ethanal are which type of isomers

Posted by Areesha Rizwan 1 year ago

Entrance Exam > NEET-UG > Chemistry

0 answers

ANSWER

Potash alum is double salt of?

Posted by Himanshu Sharma 1 year ago

Entrance Exam > NEET-UG > Chemistry

1 answers

Areesha Rizwan 1 year ago

Aluminium sulphate and potassium sulphate

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