This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 41 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Calculation used to find the number of neutrons in an atom A) Atomic Mass-Atomic Number. B) Atomic Number-Atomic Mass. C) Atomic Mass-Electrons. D) None of these. Show Answer Correct Answer: A) Atomic Mass-Atomic Number. 2. Which of the following is a list of physical properties? A) Density, conductivity, reaction with acid. B) Flexibility, reaction with hydrochloric acid, color. C) Temperature change when a chemical is added, texture, density. D) Electrical conductivity, hardness, ability to transmit light. Show Answer Correct Answer: D) Electrical conductivity, hardness, ability to transmit light. 3. What is the name given to research that is undertaken to solve a specific problem? A) Pure research. B) Theoretical research. C) Applied research. D) Technology. Show Answer Correct Answer: C) Applied research. 4. The type of bond that forms when electrons are shared between two atoms is called ..... A) An ionic bond. B) A covalent bond. C) A hydrogen bond. D) None of above. Show Answer Correct Answer: B) A covalent bond. 5. What is the general formula of an alkane A) 2n+2. B) CnH2n+2. C) CnH2n. D) CnHn. Show Answer Correct Answer: B) CnH2n+2. 6. The Law of Conservation of Matter says A) Matter can be created, but not destroyed. B) Matter can be destroyed, but not created. C) Matter cannot be created or destroyed. D) None of above. Show Answer Correct Answer: C) Matter cannot be created or destroyed. 7. A compound that consists of positive and negative ions: A) An ionic compound. B) A covalent compound. C) A neutral compound. D) A base compound. Show Answer Correct Answer: A) An ionic compound. 8. What is a double bond? A) A bond between two atoms. B) One pair of electrons shared between two atoms. C) Two pairs of electrons shared between two atoms. D) Two pairs of electrons shared between four atoms. Show Answer Correct Answer: C) Two pairs of electrons shared between two atoms. 9. ..... is the branch of chemistry that would study and develop products that in general do no contain carbon. A) Organic Chemistry. B) Inorganic Chemistry. C) Biochemistry. D) Physical Chemistry. Show Answer Correct Answer: B) Inorganic Chemistry. 10. What are the 3 fields of study? A) Solid Phase, Liquid Phase and Gas Phase. B) Basic Research, Applied Research, and Technological Development. C) Atom, Matter and Mass. D) Color, Precipitate and Temperature. Show Answer Correct Answer: B) Basic Research, Applied Research, and Technological Development. 11. ..... is the branch of chemistry that would identify enzymes and determine reaction mechanisms for chemical reactions inside organisms. A) Organic Chemistry. B) Biochemistry. C) Physical Chemistry. D) Analytical Chemistry. Show Answer Correct Answer: B) Biochemistry. 12. What is weight? A) The amount of matter in an object. B) The distance between one point to another. C) How fast something travels. D) The amount of gravity pulling on the mass of an object. Show Answer Correct Answer: D) The amount of gravity pulling on the mass of an object. 13. Use the periodic table to determine the Chemical symbol for Iron. A) Ir. B) FE. C) Fe. D) I. Show Answer Correct Answer: C) Fe. 14. Salt dissolved in water is an example of: A) Colloid. B) Solution. C) Element. D) None of above. Show Answer Correct Answer: B) Solution. 15. What is the number that gives you the element and the number of protons contained in each elemental atom? A) Atomic mass. B) Mass number. C) Symbol. D) Atomic #. Show Answer Correct Answer: D) Atomic #. 16. ..... occurs when two or more molecules interact forming new molecules. A) Physical reaction. B) Chemical reaction. C) Combustion reaction. D) Something bad. Show Answer Correct Answer: B) Chemical reaction. 17. What type of elements form covalent bonds? A) Metals. B) Non Metals. C) Metalloids. D) Nobel Gas. Show Answer Correct Answer: B) Non Metals. 18. Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g. A) 6 cm3. B) 12 g/cm3. C) 128 g/cm3. D) 8 g/cm3. Show Answer Correct Answer: D) 8 g/cm3. 19. States that in any physical or chemical reaction, mass is conserved. It can be changed from one form to another, but cannot be created or destroyed. A) Law of definite proportions. B) Law of conservation of mass. C) Newtons Law. D) Keplers Law. Show Answer Correct Answer: B) Law of conservation of mass. 20. G = ..... mg A) 6, 480. B) 64, 800. C) 648, 000. D) 64.8. Show Answer Correct Answer: C) 648, 000. ← 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