This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 13 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating? (5.5A) A) Solubility. B) Hardness. C) Density. D) Mass. Show Answer Correct Answer: A) Solubility. 2. Metal T is in Group 1 of the Periodic Table of Elements. Which formula represents the oxide of T A) TO. B) TO2. C) T2O. D) T2O3. Show Answer Correct Answer: C) T2O. 3. Short hand representation for the atom of a specific element A) Element. B) Atom. C) Symbol. D) None of above. Show Answer Correct Answer: C) Symbol. 4. Which is the correct general formula for the alkanes? A) CnH2n+2. B) CnH2n. C) CnH2n+1OH. D) CnH2n+1COOH. Show Answer Correct Answer: A) CnH2n+2. 5. What are the positively charged particles in an atom called? A) Protons. B) Neutrons. C) Electrons. D) Nucleus. Show Answer Correct Answer: A) Protons. 6. What is the chemical formula for sodium sulfate? A) NaSO. B) Na2SO4. C) Na2S2O. D) Na4SO2. Show Answer Correct Answer: B) Na2SO4. 7. This ranges from 0 to 6 on a Ph scale A) Element. B) Base. C) Neutral. D) Acid. Show Answer Correct Answer: D) Acid. 8. Which list has the types of mixtures ordered from largest particle size to smallest? A) Suspension, colloid, and solution. B) Solution, suspension, and colloid. C) Colloid, solution, and suspension. D) Solution, colloid, and suspension. Show Answer Correct Answer: A) Suspension, colloid, and solution. 9. What type of substance is gold? A) Homogeneous mixture. B) Heterogeneous mixture. C) Compound. D) Element. Show Answer Correct Answer: D) Element. 10. What did James Chadwick discover? A) Neutron. B) Proton. C) Electron. D) Who cares I want to go home!. Show Answer Correct Answer: A) Neutron. 11. Which term does not fit with the others listed? A) Solid. B) Reactant. C) Gas. D) Liquid. Show Answer Correct Answer: B) Reactant. 12. Which compound can exist as stereoisomers? A) CH3CH2CHO. B) CH3CH2COCH3. C) CH3CH(CH3)2. D) CH3CH2CHOHCH3. Show Answer Correct Answer: D) CH3CH2CHOHCH3. 13. Molecules are separated by distances that are large compared with the size of the molecules. A) Gas. B) Solid. C) Liquid. D) None of above. Show Answer Correct Answer: A) Gas. 14. What does the symbol CaCO3 represent? A) An element. B) A compound. C) An atom. D) None of the above. Show Answer Correct Answer: B) A compound. 15. Which group of the periodic table is composed of inert (not reactive) gases? A) Alkali metals. B) Alkaline earth metals. C) Halogens. D) Noble gases. Show Answer Correct Answer: D) Noble gases. 16. The type of bond that results when electrons are transferred from one atom to another is called ..... A) An ionic bond. B) A covalent bond. C) A hydrogen bond. D) None of above. Show Answer Correct Answer: A) An ionic bond. 17. In chemical reactions, what does the principle of conservation of mass mean? A) Atoms are not created or destroyed. B) The total mass of the reactants is greater than the total mass of the products. C) The total mass of the reactants is less than the total mass of the products. D) Matter is not changed. Show Answer Correct Answer: A) Atoms are not created or destroyed. 18. What is the atomic number of calcium (Ca)? A) 2. B) 14. C) 18. D) 20. Show Answer Correct Answer: D) 20. 19. An electron has what kind of charge? A) No charge. B) Positive. C) Negative. D) It depends. Show Answer Correct Answer: C) Negative. 20. Two or more substances mingled together, but not chemically combined are known as a A) Residue. B) Solution. C) Distillate. D) Mixture. Show Answer Correct Answer: D) Mixture. ← 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