CBSE > Class 12 > Chemistry | CBSE Board | Homework Help

Those properties of ideal solution which depends upon only on the no of particles of solute dissolved in definite amount of solvent and does not depend upon nature of solute

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Why phenols do not undergo nucleophilic substition reaction?

Posted by Vikas Kumar Thakur 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Principles of vapour phase refining

Posted by Jyoti Goswami 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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why phenols have benzene compound

Posted by Shiva Rajpoot 5 years, 8 months ago

CBSE > Class 12 > Chemistry

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Dipanshu Bokade 7 years, 7 months ago

Phenol, any of a family of organic compounds characterized by a hydroxyl (−OH) group attached to a carbon atom that is part of an aromatic ring. ... Phenols are similar to alcohols but form stronger hydrogen bonds. Thus, they are more soluble in water than are alcohols and have higher boiling points.

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Nature of adsorbate

Posted by Deep Gill 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Is the acidic water is used for inverter battery.

Posted by Krish Kumar 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Dipanshu Bokade 7 years, 7 months ago

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Why time to time battery needs of water?

Posted by Krish Kumar 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Suyash Tripathi 7 years, 7 months ago

Because it's energy consumes continiously

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define blood pressure

Posted by Vikram Pal 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Niharika Srivastav 7 years, 7 months ago

The pressure exerted by the blood against the walls of the blood vessels, especially the arteries.

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What is buffer solution ?

Posted by Robin Singh 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Shehreyar Shami 7 years, 7 months ago

Buffer resist changes in pH.buffer are made up off a weak acid and a conjugate base.

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Why the stoichoimetric deffect is c

Posted by Abhi Roy 5 years, 8 months ago

CBSE > Class 12 > Chemistry

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Ratnakar Shukla 7 years, 7 months ago

The ratio is same after the defect

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Hii i want to become an computer science engineer . Is any computer course degree is req for it such as ccc adca dca etc or not . i not do any course but i have knowledge about cocept of computer

Posted by Kim Jong 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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A 4% solution ofsucrose is isotonic with 3% solution of an unknown solute. Calculate the molar mass of the unknown solute.

Posted by Nishu Kumar 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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How to fimd the cube root of 1.2243 × 10^-23

Posted by Vanshika Gupta 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Excess of Li in Liclcrystal pink solution?

Posted by Akhilesh Pandey 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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What is the cause of abnormal molecular mass . Explain

Posted by Vikas Ch 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Modi Ji 7 years, 7 months ago

Association or dissociation of molecules

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consider the reaction 2Al + 3Cl2------2AlCl3. A mixture of 1.0 mol of Al and 3.0 mol of Cl2 is allowed to react. A) which is the limiting reactant? B) how many moles of AlCl3 are formed? C)how many moles of the excess reactant left

Posted by Aishwary Sharma 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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The bond enthalpy of formation of NH:3 is-46. ',of. H2 is -436 ' N2 is-712 the average bond enthalpy of NH bond inNH3is

Posted by Manoj Rsnjan Dash 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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What is the basic difference between cellulose and starch?

Posted by Akshay Satish 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Dipanshu Bokade 7 years, 7 months ago

Starch and cellulose are two very similar polymers. In fact, they are both made from the same monomer, glucose, and have the same glucose-based repeat units. There is only one difference. In starch, all the glucose repeat units are oriented in the same direction.

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I want to buy referesher of chemistry ; can anyone tell which will be the best publication referesher of chemistry . Also tell can i get all knowledge about 12th chemistry by studying refersher plz tell

Posted by Kim Jong 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Dipanshu Bokade 7 years, 7 months ago

Dinesh

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Aman Kushwah 7 years, 7 months ago

The self master of chemistry

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Bismaya Kumar Panda 7 years, 7 months ago

Pradeep's chemistry

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Nishu Bishnoi 7 years, 7 months ago

Modern ABc

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Describe the molar mass of a substance be determined on the basis of osmotic pressure measurement????

Posted by Aanchal Bajpai 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Mohd Naimat 7 years, 7 months ago

Molarmass=mass×RT --------------- VOLUME×OSMOTIC PRESSURE

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Anamolous behavour of nitrogen

Posted by Sonober Khursheed 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Pruthvi Ganesh Goud 7 years, 7 months ago

It differs from other members of the group because of Nitrogen is a gas while other members of the group are solids It is diatomic, while phosphorus and arsenic are tetratomic

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What is n type conductoe

Posted by Jagtaran Singh 7 years, 7 months ago

CBSE > Class 12 > Chemistry