Metals and Non-Metals MCQs
1. Which of the following is a metal?A) OxygenB) NitrogenC) IronD) SulfurAnswer: C) Iron 2. Which property is generally shown …
Soaps and Detergents MCQs
1. Soap is chemically a:A) Salt of weak acid and strong baseB) Salt of strong acid and weak baseC) Salt …
Air and Its Composition MCQs
1. What is the most abundant gas in the Earth’s atmosphere?A) OxygenB) Carbon dioxideC) NitrogenD) HydrogenAnswer: C) Nitrogen2. Approximately what …
Water and It’s Properties MCQs
1. What is the molecular formula of water?a) H₂O₂b) H₂Oc) HO₂d) H₃OAnswer: b) H₂O 2. Which type of bond holds …
Solutions and Solubility MCQs
1. What is a solution?A) A mixture of two or more solids onlyB) A homogeneous mixture of solute and solventC) …
Fuels and Combustion MCQs
1. Which of the following is a hydrocarbon fuel?A) Hydrogen peroxideB) MethaneC) AmmoniaD) Sodium chlorideAnswer: B) Methane 2. What type …
Corrosion and Rusting MCQs
1. Corrosion is the process of:A) Melting of metalsB) Chemical deterioration of metalsC) Freezing of metalsD) Shaping of metalsAnswer: B) …
Oxidation and Reduction MCQs
1. Oxidation is defined as:A) Gain of hydrogenB) Loss of oxygenC) Loss of electronsD) Gain of neutronsAnswer: C) Loss of …
Periodic Table Basics MCQs
1. Who developed the modern periodic table?A) John DaltonB) J.J. ThomsonC) Dmitri MendeleevD) Ernest RutherfordAnswer: C) Dmitri Mendeleev 2. The …
Mixtures MCQs
1. A mixture is a combination of substances that are:A) Chemically combinedB) Physically combinedC) Permanently bondedD) Ionically bondedAnswer: B 2. …