This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 14 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is a nonmetal? A) Li. B) Be. C) Ge. D) Cl. Show Answer Correct Answer: D) Cl. 2. The smallest particle of an element that retains its identity in a chemical reaction. A) Electron. B) Atom. C) Quark. D) Neutrons. Show Answer Correct Answer: B) Atom. 3. A small particle that is the building block of matter A) Mass. B) Matter. C) Element. D) Atom. Show Answer Correct Answer: D) Atom. 4. Number of alpha hydrogen atoms in 2-butene molecule is ..... A) 2. B) 6. C) 4. D) 3. Show Answer Correct Answer: B) 6. 5. ..... ft = 15.0 m A) 50.9. B) 49.2. C) 48.7. D) 158. Show Answer Correct Answer: B) 49.2. 6. A solute that contains polar molecules will dissolve in a solvent that contains A) Nonpolar molecules. B) Polar molecules. C) Covalent molecules. D) Equal-sized molecules. Show Answer Correct Answer: B) Polar molecules. 7. Makes up about 80% of the periodic table, good conductors of heat and electricity, high luster and malleable. A) Nonmetals. B) Metalloids. C) Metals. D) Transition elements. Show Answer Correct Answer: C) Metals. 8. Why do ice cubes float in a glass of water? A) The ice cubes are more dense than the water. B) The water is more dense than the ice cubes. C) The water is more dense than the glass. D) The ice is more dense than the glass. Show Answer Correct Answer: B) The water is more dense than the ice cubes. 9. The branch of chemistry that includes studying the reaction rates of a chemical change. A) Organic chemistry. B) Inorganic chemistry. C) Physical chemistry. D) Analytical chemistry. Show Answer Correct Answer: C) Physical chemistry. 10. The mass of 0.029 m3 of gold is about 546kg, and the density is 19300kg/m3. It is a soft metal and is usually alloyed to give it more strength. It is a good conductor of heat and electricity, and it has high melting point (1062 $^ \circ$C ) and boiling point (2000 $^ \circ$C).Which of the following is an extensive property of gold? A) Mass. B) Density. C) Boiling point. D) Melting. Show Answer Correct Answer: A) Mass. 11. Several drops of nitric acid are added to a test tube that is filled with potassium chloride solution. What is the most suitable pH value for the mixture? A) 2.0. B) 5.5. C) 7.0. D) 9.8. Show Answer Correct Answer: A) 2.0. 12. What kind of properties can only be observed when a substance changes into a different substance? A) Physical properties. B) Chemical properties. C) Liquid properties. D) Real properties. Show Answer Correct Answer: B) Chemical properties. 13. A displacement reaction will occur when ..... A) A more reactive metal displaces a less reactive metal from its compound. B) A less reactive metal displaces a more reactive metal from its compound. C) Displacement only occurs when two of the same metals are reacted. D) Displacement reactions will only occur in metals above iron in the reactivity series. Show Answer Correct Answer: A) A more reactive metal displaces a less reactive metal from its compound. 14. Bohr's Planetary Model represented what? A) Electrons spin around the nucleus in a fixed orbital. B) Protons spin around the nucleus in fixed orbitals. C) An atom is a round sphere shaped like a planet. D) Every atom is a little planet. Show Answer Correct Answer: A) Electrons spin around the nucleus in a fixed orbital. 15. When you change from gas to liquid it is called.. A) Freezing. B) Melting. C) Evaporation. D) Condensation. Show Answer Correct Answer: D) Condensation. 16. The method and instrument used to measure the $ Melting\ & amp;\ Boiling\ point$ of a substance is studied under ..... A) Industrial Chemistry. B) Biochemistry. C) Environmental Chemistry. D) Analytical Chemistry. Show Answer Correct Answer: D) Analytical Chemistry. 17. What takes place when a solid changes to a liquid? A) Condensation. B) Freezing. C) Melting. D) Evaporation. Show Answer Correct Answer: C) Melting. 18. An oil company scientist tries to design a better gasoline A) Organic chemistry. B) Analytical chemistry. C) Biochemistry. D) Theoretical chemistry. Show Answer Correct Answer: A) Organic chemistry. 19. The number in front of a chemical formula that tells how many molecules or atoms of each reactant takes part in a reaction is called a: A) Symbol. B) Subscript. C) Coefficient. D) Concentration. Show Answer Correct Answer: C) Coefficient. 20. What is the name of the compound NiSO4? A) Nickel (II) sulfate. B) Nickel (II) sulfite. C) Nickel (II) sulfide. D) Nickel (II) sulfuroxide. Show Answer Correct Answer: A) Nickel (II) sulfate. ← PreviousNext →Related QuizzesChemistry QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books