MCQs on Acids, Bases, and Salts 1. Which of the following acids is an organic acid?A) HClB) H2SO4C) CH3COOH ✅D) HNO3 2. Which acid is dibasic?A) HClB) H2SO4 ✅C) HNO3D) CH3COOH 3. A strong acid is one that:A) Dissociates partially in waterB) Furnishes OH⁻ ionsC) Dissociates almost completely to give H₃O⁺ ✅D) Contains carbon 4….
1. 50 Multiple Choice Questions (MCQs) Q1. The force of attraction between two atoms in a molecule is called:a) Electrovalencyb) Chemical bondc) Ionization energyd) ElectronegativityAnswer: b Q2. The electrostatic force of attraction between oppositely charged ions is called:a) Covalent bondb) Electrovalent bondc) Metallic bondd) Coordinate bondAnswer: b Q3. The number of electrons an atom loses…
50 MCQ Questions on Periodic Properties 1. Modern Periodic Law states that the physical and chemical properties of elements are a periodic function of their:A) Atomic massB) Atomic numberC) ValencyD) Density 2. Periodicity is mainly caused by:A) Similar atomic massesB) Periodic repetition of outer electronic configurationC) Similar densitiesD) Similar nuclear charge 3. Which of the…
1. Introduction to Metallurgy Metallurgy is the science and technology of extracting metals from their ores and refining them for use. An ore is a naturally occurring rock or mineral from which a metal can be extracted profitably. A mineral is a naturally occurring chemical substance with a specific crystal structure and chemical composition. Not…
1. Introduction to Analytical Chemistry Analytical chemistry is the branch of chemistry that deals with the identification and quantitative determination of the components of a substance. In this chapter, we focus on the qualitative analysis of certain metal ions (cations) and their identification using specific chemical reagents, primarily ammonium hydroxide (NH4OH) and sodium hydroxide (NaOH)….
1. Introduction to Chemical Bonding 🤝 A chemical bond is the force of attraction that holds atoms together to form molecules or ions. Atoms bond to achieve a stable electronic configuration, typically a complete outermost shell, like that of the noble gases (an octet of electrons, or a duet in the case of hydrogen and…
1. Introduction to the Periodic Table The Periodic Table is a tabular arrangement of all known chemical elements, organized on the basis of their atomic number, electronic configuration, and recurring chemical properties. The modern periodic table is an outcome of the early attempts by various scientists to classify elements. 2. The Modern Periodic Table The…
1. General Information and Introduction 2. Laboratory Preparation of Ammonia 3. The Fountain Experiment This is a classic experiment used to demonstrate two key properties of ammonia gas: 4. Industrial Manufacturing: The Haber Process The Haber process is the main industrial method for producing ammonia from its constituent elements. 5. Chemical Properties 6. Uses of…
1. Introduction to Electrolysis 2. Mechanism of Electrolysis 3. Selective Discharge of Ions When an electrolyte contains more than one type of cation or anion, the ion that is discharged at an electrode is determined by three factors: 4. Electrolysis of Specific Substances 5. Applications of Electrolysis 6. Electrorefining of Copper Electrorefining is a process…
1. Introduction to Organic Chemistry 2. Classification of Hydrocarbons Hydrocarbons are the parent organic compounds and are classified based on the types of bonds present between the carbon atoms. 3. Functional Groups A functional group is an atom or group of atoms that determines the characteristic chemical properties of an organic compound. The hydrocarbon part…
