This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cm3 of nitric acid completely neutralises 50 cm3 of 0.25 mol dm-3 calcium hydroxide. Calculate the molarity of the nitric acid. A) 0.125 mol dm-3. B) 0.25 mol dm-3. C) 0.5 mol dm-3. D) 1.0 mol dm-3. Show Answer Correct Answer: D) 1.0 mol dm-3. 2. The process of separating substances in a mixture by evaporating a liquid and condensing a vapor A) Law of conservation of mass. B) Chemical change. C) Physical property. D) Distillation. Show Answer Correct Answer: D) Distillation. 3. All sides are equal, only two angles are equal (~90$^ \circ$) A) Monoclinic. B) Triclinic. C) Rhombohedral. D) None of above. Show Answer Correct Answer: C) Rhombohedral. 4. Determine whether each material below is a pure substance-element, pure substance-compound, a homogeneous mixture, or a heterogeneous mixture.C 2H 2 A) Pure substance, element. B) Pure substance, compound. C) Homogeneous mixture. D) Heterogeneous mixture. Show Answer Correct Answer: B) Pure substance, compound. 5. A mixture that contains small, undissolved particles that do not fully dissolve is called a A) Suspension. B) Soltuion. C) Colloid. D) None of above. Show Answer Correct Answer: C) Colloid. 6. The ability to transfer heat and electricity refers to ..... A) Conductivity. B) Luster. C) Malleability. D) Classification. Show Answer Correct Answer: A) Conductivity. 7. A solution has a pHof 3. What type of solution is this? A) Acidic. B) Basic. C) Neutral. D) Water. Show Answer Correct Answer: A) Acidic. 8. How many bonds does Carbon need to become stable? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 9. Which of the following IS a mixture? A) Air. B) Hydrogen. C) Water. D) Sugar. Show Answer Correct Answer: A) Air. 10. The amount of space an object takes up or the amount of space something contains A) Volume. B) Weight. C) Mass. D) Force. Show Answer Correct Answer: A) Volume. 11. A chemical equation should be balanced to: A) Show conservation of energy. B) Show conservation of mass. C) To make equation attractive. D) All of the above. Show Answer Correct Answer: B) Show conservation of mass. 12. If two covalently bonded atoms are identical, the bond is A) Nonpolar covalent. B) Polar covalent. C) Nonionic. D) Dipolar. Show Answer Correct Answer: A) Nonpolar covalent. 13. What is the correct name of the compound CaCl2? A) Calcium dichloride. B) Calcium dichlorine. C) Calcium chlorine. D) Calcium chloride. Show Answer Correct Answer: D) Calcium chloride. 14. If an element is dull, brittle, and a good insulator, you would be looking for a ..... A) Metal. B) Nonmetal. C) Metalloid. D) Element. Show Answer Correct Answer: B) Nonmetal. 15. Which physical property is the amount of space something takes up and can be measured with a graduated cylinder? A) Conductivity. B) Relative density. C) Thermal energy. D) Volume. Show Answer Correct Answer: D) Volume. 16. Anions A) Gain electrons, has an overall positive charge. B) Lose electrons, has an overall positive charge. C) Lose electrons, has an overall negative charge. D) Gain electrons, has an overall negative charge. Show Answer Correct Answer: D) Gain electrons, has an overall negative charge. 17. What is the geometry of BCl3? A) Trigonal pyramidal. B) Linear. C) Tetrahedral. D) Trigonal planar. Show Answer Correct Answer: D) Trigonal planar. 18. The Maillard Reaction requires natural sugars and another molecule found in protein. What is the other molecule? A) Glucose. B) Glutamate. C) Amino Acids. D) Citric Acid. Show Answer Correct Answer: C) Amino Acids. 19. Which branch of chemistry that would include analyzing the how a medicine reacts in the body. A) Analytical Chemistry. B) Biochemistry. C) Inorganic Chemistry. D) None of above. Show Answer Correct Answer: B) Biochemistry. 20. Energy required to remove the 1st electron from an atom. A) Electron Affinity. B) Electronegativity. C) First Ionization Energy. D) Joules. Show Answer Correct Answer: C) First Ionization Energy. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 8Chemistry Quiz 9Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books