This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 55 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Solubility is the A) Ability to be scratched. B) Ability to be hammered into thin sheets. C) How shiny it is. D) Ability to dissolve. Show Answer Correct Answer: D) Ability to dissolve. 2. The branch of Chemistry that study all chemicals containing carbon is called A) Biochemistry. B) Analytical Chemistry. C) Inorganic Chemistry. D) Organic Chemistry. Show Answer Correct Answer: D) Organic Chemistry. 3. All changes in the state of matter of a substance requires A) Vibration. B) Water. C) Permission. D) Energy. Show Answer Correct Answer: D) Energy. 4. Which best explains the difference between an element and a compound? A) Elements cannot occur naturally, while compounds naturally occur. B) Elements have specific properties, while compounds do not have specific properties. C) Elements cannot be broken down, while compounds can because they join together in a specific pattern. D) Elements can be broken down, while compounds cannot because they are composed of two or more mixtures. Show Answer Correct Answer: C) Elements cannot be broken down, while compounds can because they join together in a specific pattern. 5. How many sigma bonds are there in acetylene molecule? A) 1. B) 3. C) 2. D) 5. Show Answer Correct Answer: B) 3. 6. What do we wear to protect our eyes in the lab? A) Lab Aprons. B) Goggles. C) Gloves. D) Closed Toed Shoes. Show Answer Correct Answer: B) Goggles. 7. This group of elements has properties that are opposite those of metals. A) Metalloids. B) Nonmetals. C) Transition metals. D) None of above. Show Answer Correct Answer: B) Nonmetals. 8. The identification of the components and composition of materials refers to ..... A) Biochemistry. B) Physical Chemistry. C) Organic Chemistry. D) Analytical Chemistry. Show Answer Correct Answer: D) Analytical Chemistry. 9. You place a rock on the electronic balance an it measures a mass of 12.38 g. The estimated digit is ..... A) 1. B) 2. C) 3. D) 8. Show Answer Correct Answer: D) 8. 10. What subatomic particles are found in energy levels outside of the nucleus and have a negative charge? A) Protons. B) Neutrons. C) Electrons. D) None of above. Show Answer Correct Answer: C) Electrons. 11. What is the name given to a set of controlled observations that test a proposed explanation? A) Hypothesis. B) Experiment. C) Theory. D) Conclusion. Show Answer Correct Answer: B) Experiment. 12. The ability to change into a different substance A) Chemical property. B) 360 ooga booga. C) Physical property. D) Volume. Show Answer Correct Answer: A) Chemical property. 13. Choose the correct facts A) Oil has high melting points. B) Fats have a high percentage of saturated fatty acids. C) Fats have low melting points. D) Oil has a solid physical state. Show Answer Correct Answer: B) Fats have a high percentage of saturated fatty acids. 14. Molecular compounds are different from ionic compounds by ..... A) Molecular compounds share electrons. B) Molecular compounds give or take electrons. C) Molecular compounds contain a metal. D) Molecular compounds are shiny and conductive. Show Answer Correct Answer: A) Molecular compounds share electrons. 15. An element has the mass number 12 and atomic number 6. The number of neutrons in it is: A) 6. B) 10. C) 4. D) 8. Show Answer Correct Answer: A) 6. 16. Density is A) Matter/solids. B) Volume/mass. C) Gas/liquid. D) Mass/volume. Show Answer Correct Answer: D) Mass/volume. 17. Convert 3045 cm to km A) .03045 km. B) 0.3045 km. C) 3.045 km. D) 30.45 km. Show Answer Correct Answer: A) .03045 km. 18. These elements are called semiconductors. A) Metals. B) Nonmetals. C) Metalloids. D) The guy at the front of a train. Show Answer Correct Answer: C) Metalloids. 19. How many elements are represented in the compound? Na2CO3 A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 20. The atomic number tells you what? READ THE ANSWERS CAREFULLY A) Only the number of electrons. B) Only the number of protons. C) Only the number of neutrons. D) The number of both electrons and protons in an atom. Show Answer Correct Answer: B) Only the number of protons. ← 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