Chemistry MCQs

A. Internal structural changes in matter B. Composition of matter C. Properties of matter D. Composition and properties of matter

A. tritium B. deuterium C. protium D. ortho-hydrogen The correct answer to the question: “The radioactive isotope of hydrogen is called___________?” is “tritium”.

A. Michael Faraday B. James Maxwell C. Yuri Gagarin D. J.J Thomson The correct answer to the question: “Electron was discovered by?” is “J.J Thomson”.

A. haber process B. Amonia solvay process C. decons process D. lead chamber process The correct answer to the question: “Sodium carbonate is produced by____________?” is “Amonia solvay process”.

A. Sea water B. Brass C. Tape water D. Graphite E. Sand In chemistry, a substance refers to a matter which has specific composition and specific properties which do not change. A substance can be an element or a compound. A substance typically has a constant composition, which can not be separated by physical methods. … Read more

A. ionic substances B. metallic substances C. molecular solids D. covalent network solids

A. Ice B. Diamond C. Sucrose D. Plastic

A. higher melting point then molecular crystals B. lower melting point then molecular crystals C. discrete molecules linked by Van der waals forces D. hydrogen bonding

A. Paint B. Glass C. Gun Powder D. Cement

A. 0.2m B. 0.2mm C. 0.2nm D. 0.2pm