This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 27 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. 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. 5. 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. 6. Anything that takes up mass and space A) Mass. B) Volume. C) Matter. D) Density. Show Answer Correct Answer: C) Matter. 7. Which branch of chemistry would study the sodium-potassium pump? A) Organic. B) Inorganic. C) Physical. D) Biochemistry. Show Answer Correct Answer: D) Biochemistry. 8. The chemical symbol for sodium is A) NA. B) Na. C) SO. D) So. Show Answer Correct Answer: B) Na. 9. 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. 10. CO2 would be a ..... A) Compound. B) Molecule. C) Compound AND Molecule. D) Sandwich. Show Answer Correct Answer: C) Compound AND Molecule. 11. 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. 12. 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. 13. Which of the following will slow down the rate of a chemical reaction A) Absence of a catalyst. B) The concentration is increased. C) The temperature is increased. D) Both concentration and temperature is increased. Show Answer Correct Answer: A) Absence of a catalyst. 14. What subatomic particles are found in the nucleus and have a positive charge? A) Protons. B) Electrons. C) Neutrons. D) None of above. Show Answer Correct Answer: A) Protons. 15. Which substance is an element? A) Water (H2O). B) Ammonia (NH3). C) Chlorine (Cl). D) Carbon Dioxide (CO2). Show Answer Correct Answer: C) Chlorine (Cl). 16. When you have something that does not dissolve it is referred to as being A) Insoluble. B) A rock. C) A solid. D) A nail. Show Answer Correct Answer: A) Insoluble. 17. What element symbol is represented by O A) Chlorine. B) Carbon. C) Osmium. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 18. A forensic scientist uses chemistry to find information at the scene of the crime A) Organic chemistry. B) Analytical chemistry. C) Biochemistry. D) Theoretical chemistry. Show Answer Correct Answer: B) Analytical chemistry. 19. Which substance is not produced during the combustion of alkanes? A) CO2. B) CO. C) C. D) H2. Show Answer Correct Answer: D) H2. 20. A solid substance that form from a solution. A) Sediment. B) Fractional crystallization. C) Element. D) Precipitate. Show Answer Correct Answer: D) Precipitate. ← 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