Recent questions tagged class 12

State Huygen's principle and also explain their propagation of waves

asked Jul 19, 2017 by pady_1

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Why Carboxylic acids have higher boiling point than aldehyde ketone and alcohols?

asked Jul 19, 2017 by pady_1

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Explain the method of preparation of carboxilic acid from (1) Alcohols (2) Aldehyde

asked Jul 19, 2017 by pady_1

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List the methods to Test to distinguish aldehydes and ketone

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Explain Haloform Reaction

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Give any two methods of preparation of Ketones

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<p class="MsoNormal"><span lang="EN-IN">Define Ketone<o:p></o:p></span></p>

asked Jul 19, 2017 by pady_1

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<span class="mpa-ignore">Explain Gatterman –Koch reaction</span></p>

asked Jul 19, 2017 by pady_1

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Explain any two methods of Preparation of aldehydes.

asked Jul 19, 2017 by pady_1

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<div>What is dispersion?What is the angle of deviation?Derive an expression for minimum angle of dev

asked Jul 18, 2017 by pady_1

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Explain any two methods of Preparation of aldehydes.

asked Jul 18, 2017 by pady_1

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Define Aldehydes

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What is Woods Sprint.

asked Jul 18, 2017 by pady_1

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Give the uses of Ethers.

asked Jul 18, 2017 by pady_1

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How to distinguish between (i) Phenol and alcohol (ii) Prima

asked Jul 18, 2017 by pady_1

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Phenol is more acidic than Alcohols. Why?

asked Jul 18, 2017 by pady_1

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Why Alcohols and Phenols are soluble in water.

asked Jul 18, 2017 by pady_1

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Give the preparation of Alcohols from Carbonyl Compounds

asked Jul 18, 2017 by pady_1

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Give the classification Alcohols.

asked Jul 18, 2017 by pady_1

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<div>State Raley’s law of scattering.Explain different phenomenon of daily life which are of scatt

asked Jul 18, 2017 by pady_1

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How are Alcohols and Phenols are formed.

asked Jul 18, 2017 by pady_1

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<div>Derive an expression for the torque acting on a current carrying loop suspended in a uniform ma

asked Jul 17, 2017 by pady_1

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<div>Derive an expression for the force per unit length between two infinitely long straight paralle

asked Jul 17, 2017 by pady_1

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What is cyclotron? Discuss the principle,construction,theory and working of a cyclotron.What is the

asked Jul 17, 2017 by pady_1

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What is Lorentz force? Write an expression for it.

asked Jul 17, 2017 by pady_1

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Apply Ampere's circuital law to find magnetic field inside and outside of a toroidal solenoid. &nbsp

asked Jul 14, 2017 by pady_1

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<div>Give a Qualitative discussion of the magnetic field produced by a straight solenoid.Apply Amper

asked Jul 14, 2017 by pady_1

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<div>State Ampere’s circuital law and prove it for the magnetic field produced by a straight curre

asked Jul 14, 2017 by pady_1

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What is the magnetic field on the axis of the circular loop

asked Jul 14, 2017 by pady_1

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What is the magnetic field at the center of the circular current loop?

asked Jul 13, 2017 by pady_1

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What is the magnetic field due to a long straight current carrying conductor? 

asked Jul 13, 2017 by pady_1

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What is Vulcanization?

asked Jul 11, 2017 by pady_1

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What are Natural Rubber and Synthtic Rubber.

asked Jul 11, 2017 by pady_1

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Give the preparation of Nylon 6, 6 and Nylon 6

asked Jul 11, 2017 by pady_1

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What are Polydispersity Index

asked Jul 11, 2017 by pady_1

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Explain the Classification of Polymers Based on Molecular Forces

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Give the Classification of Polymers Based on Source of Origin

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What are Polymers?

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Give the Advantages of synthetic detergents over soaps

asked Jul 11, 2017 by pady_1

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What are Biodegradable detergents and Non biodegradable Dete

asked Jul 11, 2017 by pady_1

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Explain the Classification of detergents:

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What are Detergents?

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Explain the disadvantages of soaps.

asked Jul 11, 2017 by pady_1

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Give the Advantages of using soaps:

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What are Disinfectants

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What are Disinfectants

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What is Antiseptics?

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Give Therapeutic action of drugs (i) Antacid (ii) Antihistam

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Give the Functions of enzymes

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What is therapeutic effect

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