In semiconductors why we use only pentavalent or trivalent?, Penta valent ...

Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole

Scary Density Situation, The density of pure silver is 10.5 g/cm^3 at 20
C....

The density of pure silver is 10.5 g/cm^3 at 20
C. If 5.25g of pure silver pellets is added to a graduated cylinder containing 11.2 mL of water, to what volume level will the water

General tests on benzoic acid, General Tests on Benzoic Acid (a) It dis...

General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica

Internal conditioning methods of water,

Sublimation, What is sublimation?

What is sublimation?

Tests for acetone - indigo test and iodoform test, Tests for acetone - Indi...

Tests for acetone - Indigo test and Iodoform test (a) Indigo test: When a small amount of orthonitrobenzaldehyde is added to approximately 2 ml. of acetone and it is diluted al

Refractive indices of the water, WATER =1.3330 SEAWATER=1.33940 OIL=1.520...

WATER =1.3330 SEAWATER=1.33940 OIL=1.5204

Seperation of actinide element, how trans uranium elements are seperated by...

how trans uranium elements are seperated by solvent extraction

MAGNATIC PROPORTIES OF TRANSATION ELEMENT.., ABAOUT ANY MAGNATIC CALCULA...

ABAOUT ANY MAGNATIC CALCULATION OF TRANSAYION ELEMENT.

Then the value of which is incorrect, If n= 3 , then the value of   which...

If n= 3 , then the value of   which is incorrect: (1) 0        (2) 1        (3) 2        (4)3 Ans: 3