Chemistry

Chapter 1 Periodic Classification of Elements and Periodicity | FSC Part 2 Chemistry Notes

Chapter No 1 Periodic Classification of Elements and Periodicity | FSC Part 2 Chemistry Notes Question. What are the improvements made in the Mendeleev’s periodic table? Answer. 1. If the elements are arranged in ascending order of their atomic numbers, their chemical properties repeat in a periodic manner. 2. The position of isotopes has been …

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Chapter 1 Basic Concepts in Chemistry – FSc Part 1 Chemistry Notes

Chapter 1 Basic Concepts in Chemistry – FSc Part 1 Chemistry Notes Formula of mass spectrograph: (The formula of mass charge ratio for mass spectrograph is m/e = to H2 R2/2, where ‘H’ is the strength of magnetic field. E is the strength of electrical field and R is the radius of curvature of positive …

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Chemistry 10th List of Practicals

Chapter 10 : Acids, Bases and Salts. Experiment 1.1: Identify sodium, calcium, strontium, barium, copper and potassium ions by flame test. Experiment 10.2 Standardize the given NaOH solution volumetrically. Experiment 10.3 Standardize the given HCl solution volumetrically. Experiment 10.4 Determine the exact molarity of Na2CO3 solution volumetrically.

Model Paper 10th Class Chemistry Half Book

Chemistry 10th                                                                   Objective Type Time Allowed:  15 minutes                                      Marks:  12 Note: You have four choices for each objective type question as A/B/C/ and D. The choice which you think is correct; fill that circle in front of that question number. Cutting or filling two or more circles will result in zero mark in that question. …

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Chemistry 10th Important Definitions

Chemistry 10th                            Important Definitions Chemical Equilibrium:A state in a reversible reaction where the rate of forward reaction and reverse reaction becomes equal is called Chemical equilibrium. Reversible reaction:The reaction in which the products recombine to form reactants is called reversible reaction.  OR  the reaction that proceed both in forward as well as reverse direction is called …

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Chemistry 9th Model Paper Half Book for Students Practice

Chemistry 9th                                                                   Objective Type Time Allowed:  15 minutes                                      Marks:  12 Note: You have four choices for each objective type question as A/B/C/ and D. The choice which you think is correct; fill that circle in front of that question number. Cutting or filling two or more circles will result in zero mark in that question. …

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