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viscosity definition chemistry

what is viscosity

What is Viscosity? viscosity meaning   viscosity Every liquid has a tendency to flow. The rate of flowing of all liquid is not equal. Due to viscosity some liquid like glycerin, castor oil, coal tar etc. flow slowly. While some other liquids like water, ether, alcohol, milk etc. flow rapidly. However, the forces of friction between the layers … Read moreviscosity definition chemistry

Laboratory Preparation Of Chloroform Chemistry

prepration of chlorofom

Laboratory Preparation Of Chloroform Chemistry Molecular Formula:- CHCL3 IUPAC Name:- Trichloromethane Common Name:-Chloroform Principle:- Chloroform in laboratory is preapared by heating the paste of bleaching powder with Ethanol or Acetone.In this reaction/Process,the bleaching powder acts as oxidising agent,chlorinating agent and hydrolysing agent. Steps:- 1)By using Ethanol( C2H5OH ) a)Hydrolysis of bleaching powder. CaOCl2+H2O ——-> Ca(OH)2 … Read moreLaboratory Preparation Of Chloroform Chemistry

Daltons Law of Partial Pressure | chemistry Grade XI |

daltons atomic theory

Note credit : pooja bhatta Partial Pressure : The  Pressure exerted by gas due to the striking of the gas molecule on the wall of the container it depends upon the number of molecule. The pressure exerted by individual gas is the mixture of two  or more  non- reacting gases is called partial pressure. Dalton’s … Read moreDaltons Law of Partial Pressure | chemistry Grade XI |

Charle’s Law chemistry note | important question and answer|

hseb chemistry important questins

note credit : shruti gautam Notes of chemistry Chapter 1: This law gives the relation between volume and temperature of gas at constant temperature. It states that at constant pressure the volume of given mass of gas is increased or decreased by 1/273 of its volume at o Degree rise in temperature . Thus, V0  … Read moreCharle’s Law chemistry note | important question and answer|

Grade Xi Chemistry Notes and Important Question | States of Matter|

chemistry notes

States of matter 1.All The Gases Consists of a large number of small particles called as molecules. 2.The Gas Molecules are assumed to be identical spherical and perfectly elastic. 3.The volume Occupied By a gas molecule is negligible as compared to the total volume of the gas. 4.The Molecules of Gases are in State of … Read moreGrade Xi Chemistry Notes and Important Question | States of Matter|

Grade XII Chemistry Important Exam Questions | HSEB |

grade xii chemistry imp questions

Predict The structure of water molecule using VSEPR model. ans.  According to the VSEPR model, a molecule takes a shape that minimizes the repulsion between bonding pair i.e bond pair and non bonding i.e Ione pair of electron 2. Why is it Diffcult to undergo nucleophillic substitutiion in halorene? ans. Halorene i.e chllorobenzene , the … Read moreGrade XII Chemistry Important Exam Questions | HSEB |