Knowledge in Class 9 IX Mathematics NCERT TEXTBOOK and SOLUTIONS
Classification of elements and periodicity in properties
These are the notes of classification of elements and periodicity in properties which include the following topics:- 1-newlands law of octave 2-mendeleeves periodic law 3- modern periodic classification 4-atomic radius 5-types of atomic radius 6-Ionisation enthalpy
Akash Saraswat
Exercise questions of classification of elements and periodicity in properties
This PDF is of the exercise questions of the chapter classification of elements and periodicity in properties.
Chemical bonding and molecular structure
These are the notes of chemical bonding and molecular structure which includes the following topics:- 1-chemical bond 2- octet bond 3-ionic bond 4-covalent bond and types of covalent bond 5-bond angle 6-resonance
Exercise of chemical bonding and molecular structure
This above given PDF is of chemical bonding and molecular structure which includes the questions of easier level to typical level and very much helpful for the students who are preparing for the board exams
The S - block element
This given PDF is of the s block elements which is very much helpful for the students of class 11.
Organic chemistry and some basic principles
These are the notes on organic chemistry and basic principles which includes the following topics:- 1-Rules for JUPAC Nomenclature 2-Group 1 elements alkali metals 3-physical properties 4-chemical properties of alakli metal 5-Diagonal relationship between Li and Al
Exercise question of organic chemistry and some basic principles
This above given PDF is of the question and answers of organic chemistry and some basic principles.
The p- block element
This video is of the chapter the P block element which includes the various topics:- 1-outer electronic configuration 2-atomic radius 3-chemical properties
Exercise questions of hydrogen
This given PDF includes the questions of hydrogen chapter which is very much helpful for the students who are appearing for the board exams . This PDF includes the easier question as well as harder.
Hydrocarbons
This PDF is of the hydrocarbons which is very much important for the students who are appearing in the future board exams. This chapter includes following topics:- 1-Alkanes 2-from carbocyclic acids 3-physical properties 4-chemical properties 5-isomerisation 6-amortization
States of matter
This above given PDF is of the chapter States of matter which includes the following topics:- 1-intermolecular forces and thermal interaction 2-Green chemistry 3-liquification of the gases 4- difference between vapourisation and boiling
Environmental chemistry
This above giving PDF is of the chapter of environment chemistry which includes the following topics:- 1-Acid rain 2- green house effect 3-photo chemical smog 4- ozone depletion