Titration Colour Changes
This collection features various experiments in chemistry involving titration and solutions. It includes procedures such as standardizing hydrochloric acid using sodium carbonate, titrating hydrochloric acid with sodium hydroxide to produce sodium chloride, determining the concentration of ethanoic
0 views • 10 slides
Identification of Cardioactive Glycosides in Pharmacognosy Lab Experiments
In this Pharmacognosy lab session, students learn about the identification of cardioactive glycosides through chemical tests like Baljets Test and Keller-Killians Test. These tests involve specific procedures using reagents like picric acid, sodium hydroxide, glacial acetic acid, ferric chloride, an
0 views • 11 slides
Aspirin Assay by Direct Acid-Base Titration Experiment Overview
Exploring the process of assessing aspirin purity through direct acid-base titration using sodium hydroxide as a standard solution. The experiment includes details on aspirin properties, dosage, acidity, decomposition, and metabolism. Key aspects covered include the aim of the experiment, the princi
5 views • 15 slides
Dissolved Oxygen Measurements and Factors Affecting Oxygen Levels
Understanding the importance of dissolved oxygen in water is crucial for the survival of aquatic plants and animals. Factors such as chemical reactions, temperature, pressure, and light penetration influence oxygen levels. The Winkler method is commonly used for dissolved oxygen measurements. This m
4 views • 11 slides
Calcium Hydroxide in Dentistry: Properties, Classification, and Availability
Calcium hydroxide, a versatile material in dentistry, has various properties such as high solubility, low setting time, and strong alkali nature. It is classified into non-setting and setting cements used for cavity lining, root canal sealers, and more. Available in powder form and as a light-cure s
0 views • 51 slides
Biogas Production and Methane Content Measurement in Biodigester Research
Explore the process of collecting data in biodigester studies, focusing on biogas production, methane content, and related measurements. Learn how to read water levels, measure biogas, and assess methane content using sodium hydroxide or potassium hydroxide solutions. Practice techniques with fermen
0 views • 20 slides
Understanding Acids, Bases, and Buffers in Medical Biochemistry
Biologically important molecules, such as acids and bases, have significant roles in metabolism. Strong acids like hydrochloric acid ionize completely, while weak acids and bases play crucial regulatory roles. The Bronsted-Lowry theory defines acids as proton donors and bases as proton acceptors. Eq
0 views • 29 slides
Overview of Ammonium Chloride: Properties, Preparation, and Uses
Ammonium Chloride, with the formula NH4Cl, is a compound containing not less than 99.5% NH4Cl. It is prepared commercially by neutralizing ammonia with hydrochloric acid or treating ammoniacal gas liquors with lime. The compound is essential for maintaining acid-base equilibrium, acts as an expector
2 views • 4 slides
Chemical Reactions and Separation Techniques in Chemistry
This presentation covers various chemical reactions and separation techniques in chemistry, including electron configuration, precipitation reactions, chlorine reactions with sodium hydroxide, and apparatus used to separate immiscible liquid layers. Explore topics such as electron configurations of
0 views • 28 slides
Standardisation of Sodium Hydroxide Solution Experiment
The experiment focuses on the standardisation of sodium hydroxide solution using potassium hydrogen phthalate by titration method. It discusses the types of standard solutions, criteria of primary standards, and the difference between standardisation and titration methods. The objective is to determ
1 views • 26 slides
Benzoylation Methods and Advantages Over Acetylation
Benzoylation is a reaction method involving the insertion of a benzoyl moiety instead of an active hydrogen atom in various functional groups. The process typically uses benzoyl chloride in the presence of Pyridine or Sodium hydroxide. The Schotten-Baumann Reaction is a common method in benzoylation
0 views • 17 slides
Understanding Acids, Bases, and Neutrals in Natural Sciences Grade 7
Acids, bases, and neutrals are vital substances found in various settings like factories and laboratories. They exhibit distinct properties, with acids feeling rough, being corrosive, and containing hydrogen ions, while bases feel slippery, taste bitter, and contain hydroxide ions. While acids like
0 views • 15 slides
Organic Chemistry Concepts and Reactions
Learn about reactions involving silver bromide, nucleophilic substitution to prepare ethers, steam and acid catalyst reactions, reaction mechanisms using curly arrows, allyl bromide reaction with sodium hydroxide, alcohol synthesis, alkaline hydrolysis, and bromine water identification. Understand m
0 views • 12 slides
Determination of Chloride by Mohr Method
Precipitation titration is a volumetric method used for determining chloride ions. Mohr's method involves reacting alkaline or alkaline earth chlorides with silver nitrate in the presence of a potassium chromate indicator. The endpoint of the titration is signaled by the appearance of red silver chr
0 views • 9 slides
Qualitative Analysis of Cations in Chemistry Experiments
Explore the qualitative analysis of cations such as calcium, aluminum, zinc, and lead through various tests with reagents like sodium hydroxide and ammonia. Learn how to observe and distinguish different cations based on their distinct reactions and characteristics in solution. The tests provide ins
0 views • 18 slides
Assay of Aspirin by Indirect Acid-Base Titration
Indirect titration, also known as residual titration, is an analytical technique used to determine the weight of an unknown sample by employing excess standard solution. In the case of aspirin, which is a weak acid undergoing slow hydrolysis, back titration with NaOH and HCl is utilized to overcome
0 views • 13 slides
Practical Guide to Pharmaceutics Experiments by Mr. Nilesh A. Shinde
This practical guide covers Experiment No. 9 on preparing Magnesium Hydroxide Mixture, including ingredients, procedure, and the definition of pharmaceutical mixtures in pharmaceutics. It provides detailed steps for creating the mixture, along with the characteristics and storage instructions for Ca
0 views • 8 slides
Understanding Chemical Hair Relaxers: Thio vs. Hydroxide
Chemical hair relaxers like Thio and Hydroxide are common methods for straightening extremely curly hair. Thio relaxers use Ammonium Thioglycolate to break disulfide bonds, while Hydroxide relaxers contain strong alkalis that swell hair fibers. The process involves lanthionization and neutralization
0 views • 37 slides
Understanding Soap Making and Uses of Sodium Hydroxide
Soap, an ancient detergent made from fatty acids and alkalis like sodium hydroxide, has been utilized for over 3000 years. Fats and oils are essential raw materials for soap production, and organic acids play a role in creating esters. Sodium hydroxide, a key component in soap making, showcases its
0 views • 9 slides