This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 59 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 59 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The periodic table is arranged by A) Atomic number. B) Atomic mass. C) Properties. D) Mass number. Show Answer Correct Answer: A) Atomic number. 2. How many moles are in 16.94g of water? A) 16.94. B) 0.9403. C) 305.2. D) 1.063. Show Answer Correct Answer: B) 0.9403. 3. Why does ice float? A) The density gets larger due to the formation of a crystalline structure. B) The density get smaller due to the formation of a crystalline structure. C) The liquid water's force pushes the ice to the top. D) The covalents bonds are in random order causing the density to lower. Show Answer Correct Answer: B) The density get smaller due to the formation of a crystalline structure. 4. Simple sugars, or monosaccharides, such as glucose are the building blocks of A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 5. The chemistry of living things A) Physical chemistry. B) Organic chemistry. C) Inorganic chemistry. D) Biochemistry. E) Analytical chemistry. Show Answer Correct Answer: D) Biochemistry. 6. Which order is correct when the following substances are arranged in order of increasing boiling point? A) CH3CH3 < CH3CHO < CH3CH2OH. B) CH3CHO < CH3CH2OH < CH3CH3. C) CH3CH2OH < CH3CH3 < CH3CHO. D) CH3CH3 < CH3CH2OH < CH3CHO. Show Answer Correct Answer: A) CH3CH3 < CH3CHO < CH3CH2OH. 7. Process from gas to solid. A) Evaporation. B) Condensation. C) Deposition. D) Vaporization. Show Answer Correct Answer: C) Deposition. 8. Wastes may be produced when: A) A product is made. B) A product is thrown away. C) A product is used. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. A saturated solution is ..... A) No more solute can be dissolved. B) More solute can be dissolved. C) The solvent and solution. D) None of above. Show Answer Correct Answer: A) No more solute can be dissolved. 10. What elements generally make an ionic bond? A) Metal and nonmetal. B) 2 nonmetals. C) Metal. D) None of the above. Show Answer Correct Answer: A) Metal and nonmetal. 11. Two atoms of the same element but with different mass numbers are called ..... A) Electrons. B) Isotopes. C) Variables. D) Electron cloud. Show Answer Correct Answer: B) Isotopes. 12. Water has ..... molecular shape. A) Linear. B) Pyrimidal. C) Planar. D) Bent. Show Answer Correct Answer: D) Bent. 13. Which substance is soluble in water? A) Sand. B) Gravel. C) Salt. D) Wood shavings. Show Answer Correct Answer: C) Salt. 14. An atom has 5 protons, 7 neutrons and 5 electrons. What is the mass number of the atom? A) 5. B) 7. C) 2. D) 12. Show Answer Correct Answer: D) 12. 15. Which type of reaction will feel cold? A) Exothermic. B) Exergonic. C) Endothermic. D) None of these. Show Answer Correct Answer: C) Endothermic. 16. C12H22O11 how many many elements? A) 45. B) 2. C) 3. D) None, it's a compound. Show Answer Correct Answer: C) 3. 17. Mrs. Franklin ismaking chocolate suckers for the class. She takes blocks of chocolate and heatsthem over a fire. The melting chocolate is an example of a- A) Graphic change. B) Physical change. C) Chemical change. D) Reactional change. Show Answer Correct Answer: B) Physical change. 18. Which chemical equation represents a neutralisation reaction? A) Mg + H2SO4 $\rightarrow$ MgSO4 + H2. B) ZnCl2 + 2HNO3 $\rightarrow$ Zn(NO3)2 + 2HCl. C) 2HCl + CaCO3 $\rightarrow$ CaCl2 + CO2 + H2O. D) NaOH + CH3COOH $\rightarrow$ CH3COONa + H2O. Show Answer Correct Answer: D) NaOH + CH3COOH $\rightarrow$ CH3COONa + H2O. 19. Which salt is not decomposed when heated strongly? A) Zinc nitrate. B) Ammonium chloride. C) Potassium carbonate. D) Copper(II) sulphate. Show Answer Correct Answer: C) Potassium carbonate. 20. Who created the periodic table A) Mendeleev. B) Diamond. C) Einstein. D) None of above. Show Answer Correct Answer: A) Mendeleev. ← 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