MCQ

Q1. Which of the following is not a primary explosive?a) Lead azideb) Mercury fulminatec) TNT (Trinitrotoluene)d) Lead styphnate Q2. Which chemical compound is commonly used in smokeless gunpowder?a) Potassium nitrateb) Charcoalc) Sulfurd) Nitrocellulose Q3. Which explosive compound is notorious for its use in improvised explosive devices (IEDs)?a) Ammonium nitrateb) PETN (Pentaerythritol tetranitrate)c) RDX (Cyclotrimethylenetrinitramine)d) ANFO […]

Q1. Which of the following is not an important synthetic fiber?a) Nylonb) Polyesterc) Silkd) Acrylic Q2. What is the primary component of nylon?a) Celluloseb) Proteinc) Polyethylened) Polyamide Q3. Which synthetic fiber is known for its excellent resistance to wrinkles and shrinkage?a) Polyesterb) Acrylicc) Rayond) Spandex Q4. Which synthetic fiber is commonly used in outdoor clothing

Q1. What is catalysis?a) The process of converting solids into liquidsb) The process of speeding up chemical reactionsc) The process of converting gases into solidsd) The process of slowing down chemical reactions Q2. Which of the following is not a type of catalysis?a) Homogeneous catalysisb) Heterogeneous catalysisc) Photochemical catalysisd) Thermal catalysis Q3. Which type of

Q1. What is the simplest hydrocarbon?a) Methaneb) Ethanec) Propaned) Butane Q2. Which type of hydrocarbon contains only single bonds between carbon atoms?a) Alkanesb) Alkenesc) Alkynesd) Aromatic hydrocarbons Q3. Which type of hydrocarbon contains at least one carbon-carbon double bond?a) Alkanesb) Alkenesc) Alkynesd) Aromatic hydrocarbons Q4. Which hydrocarbon series is characterized by at least one carbon-carbon

Q1. What is the atomic number of carbon?a) 5b) 6c) 7d) 8 Q2. Which of the following is a noble gas?a) Hydrogenb) Heliumc) Oxygend) Nitrogen Q3. What is the chemical symbol for iron?a) Feb) Ic) Ird) In Q4. What is the formula of sodium chloride?a) NaCO3b) NaClc) NaOHd) Na2CO3 Q5. Which element has the highest

Q1. What is a Galvanic Cell?a) A device that converts chemical energy into electrical energyb) A device that converts electrical energy into chemical energyc) A device that generates heat energy from chemical reactionsd) A device that generates light energy from chemical reactions Q2. In a Galvanic Cell, which electrode undergoes oxidation?a) Anodeb) Cathodec) Both electrodes

Q1. What is the branch of chemistry that deals with the study of the interconversion of electrical energy and chemical energy?a) Organic chemistryb) Electrochemistryc) Inorganic chemistryd) Analytical chemistry Q2. What is the process by which electrical energy is converted into chemical energy in an electrochemical cell?a) Oxidationb) Reductionc) Electrolysisd) Galvanization Q3. In an electrochemical cell,

Q1. What is the process by which a substance changes directly from a solid to a gas without passing through the intermediate liquid phase?a) Condensationb) Evaporationc) Sublimationd) Deposition Q2. Which chemical element is represented by the symbol ‘Ne’ in the periodic table?a) Neonb) Nickelc) Nitrogend) Sodium Q3. Which modern chemical process is used to convert

Q1. Which element is the most abundant in the Earth’s crust?a) Oxygenb) Siliconc) Aluminumd) Iron Q2. Which element is commonly used as a semiconductor in electronic devices?a) Carbonb) Siliconc) Aluminumd) Copper Q3. Which element is essential for the production of stainless steel?a) Chromiumb) Nickelc) Carbond) Iron Q4. Which element is known as the “universal solvent”

Q1. What is the process by which an unstable atomic nucleus emits radiation in the form of particles or electromagnetic waves?a) Nuclear fusionb) Nuclear fissionc) Radioactivityd) Atomic absorption Q2. Which of the following particles has the least penetrating power among the common types of radiation emitted during radioactive decay?a) Alpha particlesb) Beta particlesc) Gamma raysd)