9th Class Chemistry Guess Paper 2024 Punjab Board.Guessing essays are important to ninth grade students. They include subjects such as physics, chemistry, biology, and Chemistry. In order to better prepare for the exam, here is the Type 9 Guessing Test Paper. 9th Class Chemistry Guess Paper Punjab Board These guess papers are specially for 9th Class students.9th Class Chemistry Guess Paper Punjab Board This is the best opportunity for all Guess Paper in the ninth grade. Now, ninth grade students can get these important guessing test papers online from here, and can easily practice.9th Class Chemistry Guess Paper 2024 Punjab Board.
9th Class Chemistry Guess Paper Punjab Board :
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Guess Paper Punjab Board:
The guess paper of Urdu for 9th class includes all-important questions of the 9th class Urdu. The guess paper is for the 2024 . You can also download it in PDF. Here is the details of what you will find in the PDF fileHere is a chemistry guess paper for 9th class for both Urdu and English medium students. The guess paper is for annual exams for all Punjab boards like Lahore board, Sahiwal Board, Sargodha board, Multan board, Gujranwala board etc. 9th class chemistry guess paper 2020 is give below both urdu and English version.
Guess Paper Punjab Board 9th Class Chemistry:
The Intermediate and Secondary Education Committee’s 9th level Chemistry guessing papers are available online for free. It has been clarified that the exam is ahead of schedule. Most students are waiting to guess the question. There may be many reasons why they want to get the Chemistry Level 9th Class guess paper. We will not discuss this page.
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Punjab Board 9th Class Chemistry Guess Paper:
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9th Class Chemistry Important Questions in English
Chapter 1
Important definition:
organic chemistry, inorganic chemistry, Avogadro Number, analytical chemistry, Industrial chemistry, Atomic Mass unit, relative atomic mass, empirical formula, molecular formula, mole
Important short questions:
difference between compound and mixture, the difference between homogenous and heterogeneous mixture, the difference between homo atomic and heteroatomic diatomic molecules, the difference between atom, ion, and molecular ion, give the scope of biochemistry, the difference between atomic number and atomic mass, why we use symbols to represent the elements?
Important long questions:
1. three differences between atomic number and atomic mass
2. Detailed difference between gram atomic mass, gram formula mass and gram molecular mass.
Chapter 2
Important definitions:
Electronic configuration, electron affinity, nuclear reaction, isotopes, quantum, carbon dating
Important short questions:
defects of Rutherford’s atomic model, Three characteristics of positive rays, the difference between shell and sub-shell, five characteristics of cathode rays, Uranium-235 is use for which purpose, give the characteristics of neutron particles, give the electronic configuration of Phosphorus while its atomic number is 15.
Important long questions
1. uses of isotopes
2. Atomic model of Rutherford
3. Bohr’s atomic theory
Chapter 3
Important definitions
ionization energy, electron affinity, electronegativity, periodic functions, shielding effect, atomic radius
Important short questions
Why Nobel gases are not reactive, what is the difference between Mendeleev’s periodic law and modern periodic law?, what are groups and in periodic table?, give the trends of energy in groups and periods, what is meant by Dobriener’s triads, give its classification, give the trends of electron affinity on groups, how Newland classifie elements? why elements are calle s-elements and p-elements?
Important Long questions
1. important features of the modern periodic table
2. what by in the table and why are blocks
3. What are the periods? explain all periods in the periodic table.
Chapter 4
Important definitions
chemical bond, triple covalent bond, hydrogen bonding, electroplating, electrochemical cell, electronegativity, polarity, Melliability
Important short questions:
what meant by loan pair electron and pair electron, the difference an and covalent , characteristics if compounds, characteristics of covalent compounds, characteristics of metals, two basic conditions for the formation of a covalent , why the metals are good conductors of electricity? difference between polar and non-polar covalent bond, why ice float on water?
Important Long questions:
1. What is the ionic bond? explain the process of formation of ionic bond between sodium and chlorine.
2. describe the process of anion formation from an atom of any non-metal
3. compare the characteristics of ionic and covalent bonds
Chapter 5
Important Definitions
Diffusion, standard atmospheric pressure, allotropy, vapour pressure, affusion, boiling point, condensation, boiling point, Boyl’s law
Important Short questions
What is the relation between boiling point of any liquid and evaporation?, why gasses can be compress?, evaporation is a cooling process. how?, On what factors does evaporation depend? what meant by zero? give three characteristics of gases, On what factors does the boiling point of liquid depend?
Important Long questions
1. Examples 5.1 and 5.2 on page 94 and 95
2. Define the boiling point and explain factors affecting it.
3. Explain Charles law
Chapter 6
Important definitions
The solution, aqueous solution, molarity, percentage solution, solute, solvent, collide, solubility, alloy, suspension
Important short questions
Difference between saturated and supersaturated solutions, the effect of temperature on solubility, difference between dilute and concentrated solution, what is Tyndal effect and what does it depend on?
how will you distinguish between solution and pure liquid?
Important Long questions
1. Effects of temperature on solubility
2. five characteristics of collides and suspensions
Chapter 7
Important definitions
electrochemistry, oxidation state, corrosion, electrochemical cell, electroplating, redox reaction, non-electrolyte
Important short questions
What meant by an oxidizing and reducing agent? What meant by spontaneous and non-spontaneous reactions? difference between valency and oxidation state, strong and weak electrolytes, Which byproducts are forme in Nelson’cell? Difference between corrosion and rusting, the difference between electrolytic and galvanic cell, What is the role of oxygen in rusting?
Important Long questions
1. Compare electrolytic and galvanic cell
2. Explain the difference between electrolytes and non-electrolytes with examples
3. Explain the electrolases of water in details
Chapter 8
Important definitions
Metal, metallic character, transition metal
Important short questions
Physical properties of metals, What is the relation between electropositivity and ionization energy?, Why gold and silve are very less reactive?, Write two uses for both silver and gold, what is the difference between steel and stainless steel? Give three uses of magnesium.
Important Long questions
1. Compares the properties of alkali and alkaline metals
2. Compare physical properties of metals and non-metals
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