This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 56 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Study the process that takes place in organisms. A) Biochemistry. B) Chemistry. C) Analytical Chemistry. D) Physical Chemistry. Show Answer Correct Answer: A) Biochemistry. 2. Describe an Electron Cloud? A) The mist outside of an atom. B) Home of the protons. C) Where electrons are located. D) Nucleus. Show Answer Correct Answer: C) Where electrons are located. 3. Cm3 of 0.4 mol dm-3 sodium hydroxide solution, NaOH that is filled into a conical flask is titrated with 1.0 mol dm-3 of sulphuric acid, H2SO4. Determine the final volume of solution in the conical flask. A) 10.0 cm3. B) 60.0 cm3. C) 70.0 cm3. D) 100.0 cm3. Show Answer Correct Answer: B) 60.0 cm3. 4. Which is the unit that measures mass? A) Liters. B) Pounds. C) Grams. D) Inches. Show Answer Correct Answer: C) Grams. 5. Write the chemical name for the following compound Fe3+ and O2- A) Iron (II) oxide. B) Iron (III) oxide. C) Triiron oxide. D) Iron Oxide. Show Answer Correct Answer: B) Iron (III) oxide. 6. What would be the products of hydrolysis of a fat? A) Glycerol. B) Fatty acids. C) Glycerol and esters. D) Glycerol and fatty acids. Show Answer Correct Answer: D) Glycerol and fatty acids. 7. What happens to the pH of a acid during neutralisation? A) It stays the same. B) It moves up towards pH 7. C) It moves down to pH 1. D) It lowers. Show Answer Correct Answer: B) It moves up towards pH 7. 8. One of Dalton's conclusions concerning his atomic theory was that all atoms of the same element are- A) Combined. B) Different. C) Reacted. D) The same. Show Answer Correct Answer: D) The same. 9. What is the definition of an atom? A) The smallest part of any substance which can exist on its own. B) Two or more atoms chemically joined together (can be the same or can be different). C) A simple substance in which all the atoms are identical. D) Two or more different elements chemically joined together. Show Answer Correct Answer: A) The smallest part of any substance which can exist on its own. 10. The periodic table is arranged by A) Atomic number. B) Atomic mass. C) Properties. D) Mass number. Show Answer Correct Answer: A) Atomic number. 11. 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. 12. 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. 13. 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. 14. 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. 15. Process from gas to solid. A) Evaporation. B) Condensation. C) Deposition. D) Vaporization. Show Answer Correct Answer: C) Deposition. 16. 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. 17. 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. 18. 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. 19. Water has ..... molecular shape. A) Linear. B) Pyrimidal. C) Planar. D) Bent. Show Answer Correct Answer: D) Bent. 20. Which substance is soluble in water? A) Sand. B) Gravel. C) Salt. D) Wood shavings. Show Answer Correct Answer: C) Salt. ← 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