07:38

Representation Of Organic Compounds

03:37

VITAL FORCE THEORY

04:41

Difference between Energy levels and Sub energy levels?

04:37

Electronic Configuration of first four elements

12:54

Fill the missing parts of the table?

05:35

Write down the symbol of the given isotope?

08:40

Electronic configuration of Li3 , C6 and Mg12.

05:03

How many electron contained in k , L , M and N shell?

04:54

Draw the structure of carbon isotopes and explained?

02:57

The physical properties of the isotopes are different but chemical properties are same why?

04:49

The Mass of an atom is present in nucleus.Explain

04:37

Why an atom consider as neutral particle? Explain it.

05:18

From the electronic configuration identify the element.

05:06

Atomic Structure ( Short question # 2 & 3 )

03:36

(I)..Draw Al structure and write it's electronic configuration?.

12:16

Choose the correct option. (Atomic Structure) class 9th

06:26

Uses Of Isotopes

06:46

ISOTOPES

08:03

Examples of Orbitals Electronic Configuration

15:58

Orbitals Electronic Configuration

10:56

Difference Between Orbits and Orbitals

09:03

Fundamental Particles of Atom.

11:58

Calculation of mass of electron in kg , in gram and in a.m. u

07:12

Charge to Mass Ratio ( e/m ) of Cathode Rays (Electrons)

04:21

Discovery of Canal Rays or Positive Rays or Protons

04:00

Characteristics features of Cathode rays(Rotate thin wheel)

04:29

Characteristics of Cathode rays ( Magnetic Field)

03:04

Characteristics of Cathode rays(Electric Field)

04:31

Characteristics features of Cathode Rays(Travel in straight line)

04:31

Type of Cathodes.

11:00

DISCOVERY OF ELECTRON or CATHODE RAY or DISCHARGE TUBE EXPERIMENT

09:41

Q5(c).. Calculation amount of reactants from the amount of product?

07:24

Q5(b).. Calculation of number of moles of one of the reactant from the mass of other reactant?

06:12

Q5(a).. Calculation number of moles from the given data?

07:52

Q4(c). Calculation number of moles from given data.

11:03

D.Q#4 (b)..Calculation of Actual yield from percentage yield?

08:25

D.Q#4 (a).Calculation of percentage yield from the given data?

15:25

Descriptive Q#3.Both a & b parts.Calculation of Limiting Reactant and Amount of Excess Reactant.

11:33

Descriptive Q # 2 (b).Calculation of percentage composition of each element of Soda Alum.

10:51

Descriptive Q#2 (b). Calculation of percentage composition of each element in the given compound.

08:48

Descriptive Q#2 (b).Calculation of percentage composition of each element of KMnO4.

08:02

Q#5. Calculation of mass of a reactant from balance chemical equation.

10:53

Descriptive Q # 1 ( c )..Define molar volume? How we convert gram into volume at STP?

06:39

Descriptive Q#1 (b)..How we read equation in term of moles, particles and masses

03:36

Q5.Calculation of number of moles from the given data .

15:44

Q4. Calculation of moles from the given data

14:46

Q3:Calculation of mass of different samples from the given data.

07:09

Q.Calculation of Molecular mass or Formula masses of the given compounds.

04:11

Q4.Why Actual yield is always less than Theoretical yield?

05:17

Q5: Distinction between Limiting Reagent and Excess Reagent.

06:49

Q3: Define Limiting Reagent? How Limiting Reagent form least amount of product?

07:04

1.Calculation of molar mass from the given data.

03:08

Q2: Why balance equation is use in stoichiometric problem?

04:53

Q1. Define gram atom? Give examples.

16:23

STOICHIOMETRY EXERCISE # 01 (1st year )

09:25

Numerical # 13. Calculation of Percent Yield.

09:12

Numerical # 13. Calculation of Theoretical Yield.

06:34

Actual Yields and Theoretical Yields

13:03

Numerical#12 Identify Limiting Reactant.

10:09

Numerical#11 Find out EXCESS reactant (First year)