CORE PRACTICAL 8 Analysis of some inorganic and organic unknowns.
CORE PRACTICAL 8 Analysis of Some Inorganic and Organic Unknowns Aim To identify unknown inorganic ions and or…
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CORE PRACTICAL 7 The oxidation of propan-1-ol to produce propanal and propanoic acid.
CORE PRACTICAL 7 Oxidation of Propan-1-ol to Produce Propanal and Propanoic Acid Aim To oxidise propan-1-ol un…
CORE PRACTICAL 6 Chlorination of 2-methylpropan-2-ol with concentrated hydrochloric acid.
CORE PRACTICAL 6 Chlorination of 2-Methylpropan-2-ol with Concentrated Hydrochloric Acid Aim To prepare a tert…
CORE PRACTICAL 5 Investigation of the rates of hydrolysis of some halogenoalkanes.
CORE PRACTICAL 5 Investigation of the Rates of Hydrolysis of Some Halogenoalkanes Aim To investigate and compa…
CORE PRACTICAL 4 Preparation of a standard solution from a solid acid and use it to find the concentration of a solution of sodium hydroxide.
CORE PRACTICAL 4 Preparation of a Standard Solution from a Solid Acid and Determination of the Concentration of Sodium Hydroxide …
CORE PRACTICAL 3 Finding the concentration of a solution of hydrochloric acid.
CORE PRACTICAL 3 Finding the Concentration of a Solution of Hydrochloric Acid Aim To determine the concentrat…
CORE PRACTICAL 2 Determination of the enthalpy change of a reaction using Hess’s Law.
CORE PRACTICAL 2 Determination of the Enthalpy Change of a Reaction Using Hess’s Law Aim To determine the enth…
CORE PRACTICAL 1 Measurement of the molar volume of a gas
CORE PRACTICAL 1 Measurement of the Molar Volume of a Gas Aim To determine the molar volume of a gas at room t…
IAL Edexcel AS Physics: Core Practical Notes
CORE PRACTICAL 1: Acceleration of a Freely-Falling Object Procedure Details Drop a hea…
Infrared (IR) Spectroscopy — AS Level (Edexcel)
Infrared (IR) Spectroscopy হলো এমন একটা টেকনিক যেটা ব্যবহার করে আমরা কোনো যৌগে কী ধরনের functional group আছে সেটা বের করি। …
Enthalpy Change — IAL Edexcel AS Chemistry
Enthalpy change chapter টা pure understanding-based। Definition ঠিক থাকলে, sign convention আর diagram বুঝলে exam-এ এই chapter থেকে easy mar…
Mass Spectrum (Mass Spectrometry) — IAL Edexcel AS Chemistry
Mass spectrometry organic chemistry-র সবচেয়ে important analytical tool। এই chapter ভালোভাবে বুঝলে Mr, molecular ion, fragment ion —সব easy …
3.4 Equilibrium Constant (Kc) — IAL Edexcel AS Chemistry
এই chapter টা শুনতে কঠিন লাগলেও আসলে খুব logical। Equilibrium constant Kc basically বলে দেয় reaction equilibrium অবস্থায় কোন দিকটা বেশি fav…
2.5 Rate Equations — IAL Edexcel AS Chemistry
এই টপিকটা AS Chemistry-র সবচেয়ে scoring আবার সবচেয়ে confusing অংশ। Rate equation বুঝে গেলে numericals আর theory দুইটাই easy হয়ে যায়। চল c…
1.4 Hess’s Law — IAL Edexcel AS Chemistry
Hess’s Law টা খুব straightforward কিন্তু exam-এ অনেকেই ভুল করে। Simple কথায় বললে, reaction যেভাবেই ঘটুক না কেন, total enthalpy change একই …
4.3 Redox Equations — IAL Edexcel AS Chemistry
এই টপিকটা basically electron transfer নিয়ে। Redox reaction মানে একসাথে oxidation আর reduction হবে—একটা ছাড়া আরেকটা possible না। Oxid…