Class 11

CBSE Class 11 Mathematics Sample Paper PDF Download

CBSE Class 11 Mathematics Sample Paper 2020 Sample Paper-01 Mathematics Class – XI Maximum Marks: 100 Time allowed: 3 hours soruce: learn.byjus.com General Instructions:a) All questions are compulsory.b) The question paper consists of 26 questions divided into three sections A, B and C. Section Acomprises of 6 questions of one mark each, Section B comprises …

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Chemistry Cha 11 Thermochemistry Class 11th Notes 1st years

Chemistry Cha 11 Thermochemistry new notes for, kpk, fbise, adamjee, Punjab and Sindh textbook boards jamshoro. Thermochemistry Class 11th Notes 1st years for kpk 2021 textbook Q.5 i)Total energy of the system and its surroundings remains constant. Answer: According to the law of conservation of energy, “energy can neither be created nor destroyed although it …

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Chemistry Chap 10 Solutions and Colloids Class 11 Notes KPK

Class 11 Chemistry notes according to KP Textbook Board syllabus. Contains solved exercises, review questions, MCQs, important question, 2021 notes. 1st-Year Chemistry Notes Chapter 10 for kpk 2021 Q.2) How a given mixture can be differentiated into a true solution or coarse suspension. Answer: True Solution Coarse Suspension Solution is a homogeneous mixture of two …

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Chemistry Cha 9 Chemical Kinetics Class 11 Notes KPK

Chemistry for Class 11 Khyber Pakhtunkhwa Board Class 11 Chemistry Notes 2021. Chemical Kinetics Class 11 Notes KPK Q.2 i) Determine the overall orders from the following rate equations. a. rate = k [NO]2 [O2]b. rate = k [NO]2 Answer:Overall order of reaction:Overall order of reaction is the sum of all exponents of the concentration terms in …

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Chemistry Cha 8 Acids Bases & Salts 11th Notes for kpk

Ch#8-Acids, Bases and Salts Chemistry Notes FSc 2020-21 New Course kpk. Long Questions Chemistry 11th Notes for kpk Q.2) What are conjugate acids and bases? Give the conjugate bases of the following acids; HClO4, HCN, H2CO3, NH4+. Answer:Conjugate AcidA species formed from a base by gaining a proton is called the conjugate acid of that …

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Chemistry Chapter 7 Chemical Equilibrium Class 11 Notes

1st Year Chemistry Class 11 Notes for kpk Chapter no 7 Chemical Equilibrium for kpk, long question and short question 2021 notes. Chemical Equilibrium Class 11 Notes 2021 for kpk Q.2 i) The Change in temperature changes the equilibrium position of the reaction N2(g) + O2(g) ⇌ 2NO(g)but a change in pressure does not, why? Answer: …

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Chemistry Class 11 Notes 2021 States of Matter-III Solids Chapter 6

Chemistry Class 11 Notes 2021 States of Matter-III Solids cha 6 for kpk board short question, long question, and pdf format download for free now 2021 notes. Chemistry Class 11 Notes 2021 States of Matter-III Solids Chapter 6 for kpk Q.2 i) Define and describe the terms with reference to NaCl. a. Space latticeb. Unit cell …

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Theories of Covalent Bond and Shapes of Molecules Chemistry Notes

Theories of Covalent Bond and Shapes of Molecules Chemistry Class 11 notes 2021 for kpk, fbise, Punajb and sindh board. Chemistry Notes Cass 11 Chapter 4 for kpk 2021 Q.3) CO2 molecule has linear but H2O molecule has angular structure. Answer:Molecular geometry means that lone pairs repel ligands out, changing the geometry of the molecule. …

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States of Matter-II Liquids Chemistry Class 11 Notes Chapter 5

States of Matter-II Liquids Chemistry 1st years notes for kpk 2021 Q.2 i) Give at least two of the effects on our lives if water has weak hydrogen bonding among its molecules. Answer: Effects of Weak Hydrogen Bonding: Water would not be a liquid at room temperature. It would be a gas. So we will …

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Stoichiometry Chemistry Class 11 Notes Chapter 1 for kpk

Stoichiometry Chemistry Class 11 Notes Chapter 1 for kpk textbook boards Peshawar, Adam jee practical center notes, cbse, ncert, and federal board. Fsc Part 1 notes for Chemistry Chapter 1 adamjee Stoichiometry Chemistry Class 11 Notes The mass of 5 moles of an element X is 60 g. Calculate the molar mass of this element. …

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Cell structure and function Biology Class 11 Notes Chapter 1

Short Questions Cell structure and function Biology chapter 1 pdf notes for 2021 Q.2 i) List three main functions of a nucleus. Main functions of the nucleus: The nucleus contains chromosomes which are composed of DNA and proteins. All the information necessary to control the cell activities is located in the chromosomes in the form …

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Atomic Structure Chemistry Class 11 Notes Chapter2 | KPK textbook

Atomic Structure Chemistry Class 11 Notes Chapter2 | KPK textbook board, elements, worksheet, atom solutions, neutrons, Thomson, and Chemistry city fsc part 1 notes 2021. Atomic Structure Notes for Chemistry Class 11 2021 Q.2 i FSc Notes 2021 Part-1 for KPK Answer:Properties of Cathode RaysProperties of cathode rays are given below. Cathode rays are negatively …

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