This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 28 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. Which is the best example of a pure substance? A) Peanuts. B) Milk. C) Gold. D) Air. Show Answer Correct Answer: C) Gold. 5. CO is the symbol for Carbon Monoxide. This is a ..... A) Compound. B) Element. C) Mixture. D) Atom. Show Answer Correct Answer: A) Compound. 6. 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. 7. 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. 8. 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. 9. A sample of iron receives 50 J of heat energy that raises the temperature of the iron 25.0$^ \circ$C. If iron has a specific heat of 0.10 J/g$^ \circ$C, what is the mass of the iron sample? A) 25g. B) 30g. C) 20g. D) 50g. Show Answer Correct Answer: C) 20g. 10. Type of matter that is made from 1 type of atom. A) Element. B) Compound. C) Heterogeneous mixture. D) Homogeneous mixture. Show Answer Correct Answer: A) Element. 11. Which of the following is not a separation technique A) Chromatography. B) Hand Sorting. C) Using a magnet. D) Stirring. Show Answer Correct Answer: D) Stirring. 12. Which of the following involves the quantitative determination of the chemical components of the subtance? A) Analytical. B) Biochemistry. C) Inorganic. D) Qualitative. Show Answer Correct Answer: A) Analytical. 13. What are homogeneous mixtures? A) The component substances are evenly distributed throughout the mixture. The composition is uniform. B) Changes that do not affect the identity of the substance. C) The components are unevenly distributed with a non-uniform composition. D) When one or more substances are converted into different substances. Show Answer Correct Answer: A) The component substances are evenly distributed throughout the mixture. The composition is uniform. 14. Anything that takes up mass and space A) Mass. B) Volume. C) Matter. D) Density. Show Answer Correct Answer: C) Matter. 15. Which branch of chemistry would study the sodium-potassium pump? A) Organic. B) Inorganic. C) Physical. D) Biochemistry. Show Answer Correct Answer: D) Biochemistry. 16. The chemical symbol for sodium is A) NA. B) Na. C) SO. D) So. Show Answer Correct Answer: B) Na. 17. Which compound is produced in the reaction between but-2-ene and steam? A) CH3CHOHCHOHCH3. B) CH2OHCH2CH2CH2OH. C) CH3CH2CHOHCH3. D) CH3CH2CH2CH2OH. Show Answer Correct Answer: C) CH3CH2CHOHCH3. 18. CO2 would be a ..... A) Compound. B) Molecule. C) Compound AND Molecule. D) Sandwich. Show Answer Correct Answer: C) Compound AND Molecule. 19. State of matter that has a definite shape and a definite volume. A) Gas. B) Liquid. C) Solid. D) None of above. Show Answer Correct Answer: C) Solid. 20. Danny is sitting atthe table and says, "Please pass the C6H12O6" . His father, a chemist, smiles and hands Dannywhat? A) Napkins. B) Pepper. C) Salt. D) Sugar. Show Answer Correct Answer: D) Sugar. ← 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