This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 26 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This particle determines what element you have-the elements identity. A) Electron. B) Proton. C) Neutron. D) Valence shell. Show Answer Correct Answer: B) Proton. 2. All molecules of the alkane homologous series have which ending in their name? A) -ane. B) -ene. C) -anol. D) -anoic acid. Show Answer Correct Answer: A) -ane. 3. Melting is ..... A) Liquid to solid. B) Solid to liquid. C) Solid to gas. D) Gas to liquid. Show Answer Correct Answer: B) Solid to liquid. 4. Which list does NOT contain compounds found in the same homologous series? A) Methane, ethane, propane, butane. B) Pentane, hexanol, heptane, octane. C) Nonane, decane, undecane, dodecane. D) Tridecane, tetradecane, pentadecane, hexadecane. Show Answer Correct Answer: B) Pentane, hexanol, heptane, octane. 5. What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)? A) 62.435g. B) 116.399g. C) 133.341g. D) 97.888g. Show Answer Correct Answer: C) 133.341g. 6. Water compound A) NaCl. B) H2O. C) Protein. D) CaCO. Show Answer Correct Answer: B) H2O. 7. In what type of bond are electrons gained or lost? This happens between a metal and a non-metal? A) Ionic. B) Covalent. C) Subatomic. D) None of above. Show Answer Correct Answer: A) Ionic. 8. The smallest basic unit of matter is the A) Molecule. B) Atom. C) Compound. D) Cell. Show Answer Correct Answer: B) Atom. 9. A type of mixture in which the composition of the mixture is the same all throughout. A) Intensive Mixture. B) Homogeneous Mixture. C) Extensive Mixture. D) Heterogeneous Mixture. Show Answer Correct Answer: B) Homogeneous Mixture. 10. Elements are found in the ..... (living things). A) Atmosphere. B) Hydrosphere. C) Biosphere. D) Lithosphere. Show Answer Correct Answer: C) Biosphere. 11. During a chemical reaction, if there is a release of energy, this type of reaction is called A) Endothermic. B) Exothermic. C) Elephant toothpate. D) Combustion. Show Answer Correct Answer: B) Exothermic. 12. Molecules are closest together in a A) Solid. B) Liquid. C) Gas. D) None of above. Show Answer Correct Answer: A) Solid. 13. What is the mass number and name of an element with 8 protons and 8 neutrons? A) 16-Carbon. B) 16-Oxygen. C) 24-Oxygen. D) 8-Neon. Show Answer Correct Answer: B) 16-Oxygen. 14. What is the Law of Conservation of mass/matter? A) Mass is created in a chemical reaction. B) Mass is destroyed in a chemical reaction. C) New chemicals formed from a chemical reaction have a larger overall mass than the original reactants. D) New chemicals formed in a chemical reactions have the same mass as the original reactants. Show Answer Correct Answer: D) New chemicals formed in a chemical reactions have the same mass as the original reactants. 15. Which is a tertiary halogenoalkane? A) CH3CH2CH2Br. B) CH3CH2CH(CH3)Cl. C) C(CH3)3Br. D) CH3CHClCH2CH3. Show Answer Correct Answer: C) C(CH3)3Br. 16. Which is the best example of a pure substance? A) Peanuts. B) Milk. C) Gold. D) Air. Show Answer Correct Answer: C) Gold. 17. CO is the symbol for Carbon Monoxide. This is a ..... A) Compound. B) Element. C) Mixture. D) Atom. Show Answer Correct Answer: A) Compound. 18. Cm3 of nitric acid requires 15.80 cm3 of 0.12 mol dm-3 barium hydroxide solution for complete neutralisation. The concentration of nitric acid is A) 0.0474 mol dm-3. B) 0.0948 mol dm-3. C) 0.1896 mol dm-3. D) 0.3792 mol dm-3. Show Answer Correct Answer: C) 0.1896 mol dm-3. 19. All elements in a horizontal row are referred to as: A) Group. B) Family. C) Period. D) All of the above. Show Answer Correct Answer: C) Period. 20. The group B elements located in the middle of the periodic table. These elements are characterized by the presence of electrons in the d sublevel. A) Transition Metals. B) Inner Transition Metals. C) Representative Elements. D) Alkaline Earth Metals. Show Answer Correct Answer: A) Transition Metals. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books