BlogHide Resteemsbdrabby (25)in hive-196037 • 3 years agoRate of chemical reaction | O level chemistry 5070 | Chemical reactionsDuring a chemical reaction, the reactants get used up as the products are formed. We can measure the speed of a reaction by measuring the amount of a reactant used up or amount of a product obtained…bdrabby (25)in hive-196037 • 3 years agoTypes of Reaction | O-level Chemistry 5070 (Chemical Reactions)Types of reactions are theoretical knowledge in chemical reaction chapter. In this video I have tried to explain different types of reaction. They directly don't appear in the exams as question…bdrabby (25)in hive-196037 • 3 years agoOxidation Reduction | O level chemistry 5070 | Redox and its relation with oxidation stateThe term oxidation was first used to describe reactions in which oxygen combined with an element or a compound to form another substance. Nowadays, we say that a substance is oxidised if it gains…bdrabby (25)in hive-196037 • 3 years agoSalt | Preparation of Salt | Cambridge Chemistry 5070 | CIE Chemistry Lecture | O Level ChemistryThere are various salt preparation techniques but all of them are speccific for relevant salt preparation. This video will cover salt preparation methods and when to use them. Salt : Part-2…bdrabby (25)in hive-196037 • 3 years agoSalt | Properties of Salt | Cambridge Chemistry 5070 | CIE Chemistry Lecture | O Level ChemistrySalts are substance formed when hydrogen of an acid is replaced by metal ions or the ammonium ion (NH4+). Salts are ionic compounds and usually water soluble. Salt is an important topic in O-level…bdrabby (25)in hive-196037 • 3 years agoSalt | Properties of Salt | Cambridge Chemistry 5070 | CIE Chemistry Lecture | O Level ChemistrySalts are substance formed when hydrogen of an acid is replaced by metal ions or the ammonium ion (NH4+). Salts are ionic compounds and usually water soluble. Salt is an important topic in O-level…bdrabby (25)in hive-196037 • 4 years agoUnderstand Blast Scoring (Pair Alignment) | In BanglaPair-wise alignment is the key for BLAST search: Pair-wise alignment score relies on 3 factors: Positive hits/matches Mismatches scores Gap penalties Identity score = Number of…
