We feel happy to bring 11th Class Chemistry Guess Paper 2022 Punjab Boards. You can follow this paper scheme confidently as boards’ officials have confirmed its authenticity.
11th Class Chemistry GUESS PAPER 2022
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SCIENCE SUBJECTS GUESS.
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GIVE CONCEPT APPROXIMATELY PAPER FORMAT
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NOT DEPENDABLE IF USED COMPLETELY
Many
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DOWNLOAD PDF 11th CLASS GUESS PAPER OF CHEMISTRY
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There are subject-wise links to all the Guess Papers at the end of the post.
پوسٹ کے آخر میں تمام سبجیکٹس کے لنکس موجود ہیں۔ شکریہ
11th CLASS CHEMISTRY GUESS
Are you looking for Class 11 guess papers for all subjects?
We keep in touch with teachers who specialize in related subjects. They keep a
close eye on previous exam papers. They prepare guess papers based on these
papers. Here you will also find 11th Class Arts subjects guess papers.
CLASS 1st YEAR CHEMISTRY GUESS PAPER 2022
Here we are offering 11th Class guess papers of all subjects.
These guess papers are according to the syllabus prescribed by the Punjab
Boards. These guess papers are prepared by experienced teachers. Most
frequently asked questions in past papers are added in these guess Papers.
These guess papers are very useful for preparing for final exams and scoring
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A list of 11th Class subjects with their download link is
given below. These guess papers are free of cost. Click on the link below to
download the relevant guess paper.
CLASS 11th CHEMISTRY GUESS PAPER
Is this your search for 11th Class Guess Papers? The page you
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CHEMISTRY GUESS FOR CLASS
11
Each year, thousands of Punjab Board students sit for their
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11th CLASS ARTS SUBJECTS GUESS
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Bise Rawalpindi Board
Bise Sargodha Board.
CLASS 11th
GUESS PAPERS 2022 LAHORE BOARD
We are trying to get the most accurate estimates from all the boards. Although we have been producing guess papers for the last 5 years, we are not responsible for any changes in the assumed results. No one can blame our entire team and publishers because we have not recommended to rely on guess papers. After your paper your feedback will be a valuable asset to us and www.bisenotes.com.
11th CLASS CHEMISTRY GUESS PAPER 2022
CHAPTER NO. 1 BASIC CONCEPT
SHORT QUESTIONS.
1.What is monoisotopic elements? Give name and symbol of such an element.
2.Calculate gram atom. In 0.1 gm of sodium (at mass of sodium =23)?
3.Differentiate between actual yield and theoretical yield.
4.Why theoretical yield of a chemical reaction is greater than the actual yield.
5.How is the efficiency of a reaction expressed? Released by www.bisenotes.com
6.23 g of sodium and 238 g of uranium have equal number of atoms in them.
7.No individual Neon atom in the sample of the element has a mass of 20.18 amu why?
LONG QUESTIONS.
1.Write detailed note on. i) Avogadro’s number ii) Molar volume.
2.Define stoichiometry. Give its assumptions. Mention two important laws which help to performthe stoichiometric calculation.
3.What is a limiting reactant? How does it control the quantity of the product formed.
4.Define yield. How do we calculate the percentage yield of chemical reaction? Also mention the factors which are responsible for low yield of products.
CHAPTER NO. 2 EXPERIMENTAL TECHNIQUES INCHEMISTRY.
SHORT QUESTIONS.
1.State distribution law.
2.What do you mean by solvent extraction? Which law controls it?
3.Differentiate between stationary and mobile phase used in chromatography.
4.Write down the uses of chromatography.
5.What is chromatography and R1 value? Released by www.bisenotes.com
LONG QUESTINS.
1.Write down the main characteristics of a solvent selected for crystallization of. Of a compound.
2.Why is there a need to crystallize the crude product?
CHAPTER NO. 3 GASES.
SHORT QUESTIONS.
1.Explain the plot of PV versus P is a straight line at constant temperature and with a fixed number of moles of an ideal gas.
2.Write expression for kinetic equation and root mean square velocity of gases.
3.Why pilots feel uncomfortable berating in unpressurised cabin?
4.Derive Boyle’s law from KMT.
5.Write two uses of plasma. Released by www.bisenotes.com
LONG QUESTIONS.
1.What is Kinetic molecular theory of gases? Give its postulates.
2.State and explain Boyle’s law and verify this law by an experiment.
CHAPTER NO. 4 LIQUIDS AND SOLIDS.
SHORT QUESTIONS.
1.What are dipole-dipole forces of attraction? Explain with an example.
2.What are Debye forces? Explain.
3.What are dipole-induced dipole forces?
4.Define polarizability. How it effects London dispersion forces?
5.How soaps and detergents do their cleansing action?
6.Why water is liquid at room temperature but H2S and H2Se are gases, comments.
7.Give reason for the lowest boiling point of hydride of group IV-A elements.
LONG QUESTIONS.
1.What are ionic solids? Give their properties. Released by www.bisenotes.com
2.What are molecular crystals? Give their properties.
CHAPTER NO. 5 ATOMIC STRUCTURE.
SHORT QUESTIONS.
1. Give products formed due to decay of neutron?
2. The elm values of positive rays of different gases are different but of cathode rays in same. Why?
3. What are the defects of Rutherford's atomic model?
4. How does Bohr introduce Plank's quantum theory in his model? Give its two postulates?
5. Write postulates of Bohr's atomic theory? What are the defects of Bohr's atomic model?
6. Differentiate between line spectrum and continuous spectrum?
7. What is de-Broglie's Equation and Heisenberg uncertainty principle?
LONG QUESTIONS.
1. How are cathode rays are produced in the discharge tube give properties of these rays.
2. Write down Millikan's oil drop method for the measurement of charge of an electron.
3. Explain Rutherford atomic model. Give its defects.
4. Give different postulates and defects of Bohr's atomic model.
5. Drive the equation for the radius of nth orbit of hydrogen atom using Bohr's model.
6. Drive an expression to calculate the radius of revolving electron in nth orbit by Bohr's model.
7. What are quantum numbers. Discuss principle and azimuthal quantum numbers?
CHAPTER NO. 6 CHEMICAL BONDING.
SHORT QUESTIONS.
1.Define ionic and covalent radii.
2.Define covalent radius with an example.
3.Why cationic radius is smaller than parent atom?
4.Ionization energy is index to the metallic character. Why?
5.How does electron affinity very in periodic table? Released by www.bisenotes.com
6.Why polar bond is stronger than non-polar bonds?
7.Why the lone pair electrons repel strongly than the bond pair of electrons?
LONG QUESTIONS.
1.What is a chemical bond? Discuss the formation of ionic and covalent bonds.
2.Define bond energy. Explain the various parameters which determine its strength.
CHAPTER NO. 7 THERMOCHEMISTRY
SHORT QUESTIONS.
1.Define ‘system” and “surroundings”.
2.Define heat of solution. Give example.
3.Define standard enthalpy of combustion. Give one example.
4.What is standard enthalpy of solution?
LONG QUESTIONS.
1.Define and explain Hess’s law of constant heat summation with examples.
2.Describe bomb-calorimeter method for determination of enthalpy of reaction.
CHAPTER NO. 8 CHEMICAL EQULIBRIUM.
SHORT QUESTIONS.
1.What are irreversible reactions? Give one example.
2.How does a catalyst affect a reversible reaction?
3.What condition are required for the best possible yield of SO2?
4.What is the effect of common ion on solubility?
5.What is acidic buffer? Give one example. Released by www.bisenotes.com
6.Write down Henderson’s equation and for which purpose it used.
7.Explain the term Buffer capacity.
LONG QUESTIONS.
1.What is the percentage ionization of acetic acid in a solution in which 0.1 moles of it has been dissolved per dm2 of solution Ka for CH3COOH = 1.85 x 105
CHAPTER NO. 9 SOLUTIONS.
SHORT QUESTIONS.
1.Difference between ideal and non- ideal.
2.Boiling points of liquids are increased when a solute is added to them. Justify it.
3.What are the names of major parts of apparatus used in Landeberger’s method for elevation of Boiling point?
4.What are colligative properties? And why they are called so.
5.State different from of Rouault’s Law. How this law can help us to understand the ideality of a solution.
LONG QUESTIONS.
1.Define solubility curve. Explain different types of solubility curves with the help of graphs.
2.Describe one method to determine the boiling point of elevation of solutes.
3.Describe Landeberger’s method for the measurement of boiling point elevation.
CHAPTER NO. 10 ELECTRO CHEMISTRY
SHORT QUESTIONS.
1.Calculate oxidation number of chromium in the following compounds.
(i)CrCl2 (ii) K2CrO4
2.Define oxidation number and calculate the oxidation state of underlined element.
i)H2PO4ii)Ca(ClO3)2
3.What is ionization and electrolysis?
4.What is Anodized Aluminum? Released by www.bisenotes.com
5.What is ionization and electrolysis?
6.Difference between primary and secondary cell giving one example each.
7.What is electrode potential?
LONG QUESTIONS.
1.State rules for assigning oxidation number of element with example.
2.What is electrolysis? Discuss the electrolysis of fused salt PbBr.
3.Write construction and working of voltaic cell.
CHAPTER NO. 11. REACTION KINETICS
SHORT QUESTIONS.
1.What is rate of reaction, also give name of four physical methods used to determine the rate of reaction? Released by www.bisenotes.com
2.What is meant by order of reaction? Give an example.
3.What is meant by half-life period? Give one example.
4.The radioactive decay is always a first order reaction.
5.What do you mean by Activation complex of a reaction?
LONG QUESTIONS.
1.What are enzymes? Mention the characteristics of enzyme catalysis.
2.How does Arrhenius equation help us to calculate the energy of activation of a reaction?
11th Class all Subjects Guess Papers 2022
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