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WBCHSE Class 12 Chemistry Question Bank - PYQ & DPP

Biomolecules Topic Wise Questions: PYQ & DPP

[Bengali] Biomolecules Topic Wise Questions: PYQ & DPP Day #01 – Carbohydrates: Classification (aldoses and ketoses) Day #02 – Structure of Carbohydrates: Monosaccharides(Glucose and Fructose), Disaccharides, Oligosaccharides(Sucrose), Polysaccharides (Starch, Cellulose) Day #03 – Structural Elucidation of Glucose Day #04 – Structural Elucidation of Fructose Day #05 – Sort Notes on Carbohydrates: Monosaccharides(Glucose and Fructose), Disaccharides, […]

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Alcohols, Phenols and Ethers Topic Wise Questions: PYQ & DPP

[Bengali] Alcohols, Phenols and Ethers Topic Wise Questions: PYQ & DPP Day #01 – Alcohols: Nomenclature & Nature of C-OH bond Day #02 – Preparation of Alcohols Day #03 – Physical and Chemical Properties of Alcohols Day #04 – Blueprint of Preparation & Reaction of Alcohols Day #05 – Preparation of Phenols Day #06 –

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Haloalkanes and Haloarenes Topic Wise Questions: PYQ & DPP

[Bengali] Haloalkanes and Haloarenes Topic Wise Questions: PYQ & DPP Day #01 – Haloalkanes: Nomenclature, nature of C-X bond Day #02 – Preparation of Haloalkane Day #03 – Physical and Chemical Properties of Haloalkane Day #04 – Mechanism of SN2 Substitution Reactions Day #05 – Mechanism of SN1 Substitution Reactions & Stability of Carbocations Day

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p-Block Elements Topic Wise Questions: PYQ & DPP

[Bengali] p-Block Elements Topic Wise Questions: PYQ & DPP Day 1: Group 15 elements: general introduction, electronic configuration, occurrence, oxidation states Day 2: Structure and reaction of NH3, NCl3 Day 3: Structure and reaction HNO3 & Oxides of nitrogen (structure only) Day 4: Phosphorus – allotropic forms (White and Red) Day 5: Preparation and properties

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Metals and Non-Metals GK MCQ Question
General Science

Metals and Non-Metals: MCQ Question & Quiz

Metals and Non-Metals General Science General Knowledge MCQ Mock Question. Metals and Non-Metals GK Question Q1. Which metals do not corrode easily ? Show Answer Answer:Gold and Platinum. Answer:Gold and Platinum. Q2. Which of the following pairs will give displacement reactions ?(a) NaCl solution and copper metal.(b) MgCl2 solution and aluminium metal.(c) FeSO4 solution and silver metal.(d)

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Chemical Reactions and Equations
General Science

Chemical Reactions and Equations: MCQ Question & Quiz

Chemical Reactions and Equations MCQ Question Q1: Which of the following are exothermic processes?(i) Reaction of water with quick lime(ii) Dilution of an acid(iii) Evaporation of water(iv) Sublimation of camphor (crystals)(a) (i) and (ii)(b) (ii) and (iii)(c) (i) and (iv)(d) (ii) and (iv) Show Answer Answer: (a) (i) and (ii) Explanation: Calcium hydroxide is produced

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GK Quiz on Physical and Chemical Change
General Science

GK Quiz on Physical and Chemical Change, Questions QaA

Q1. Size, shape, colour, and state of a substance are examples of ________ properties. a.) chemical b.) physical c.) electrical d.) all of the above Correct Answer – (b.) physical. Properties such as shape, size, colour and state of a substance are called its physical properties. Q2. What type of change is the explosion of a firework?

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