6. Which of the following is a pure substance?a. Diamondb. Salt solutionc. Soapd. Steel7. True or False. Evaporation is the conversion of matter liquid state togaseous statea. True b. Though c. False d. Falls8. What is the recommended household product (in terms of its chemicalname) when an acid was accidentally ingested during the experiment in thelaboratory?a. Sodium carbonatec. Potassium hydroxideb. Sodium hydroxide d. Sodium bicarbonate9. A combination of sand, salt, and water is an example of aa. homogeneous mixtureb. compoundc. heterogeneous mixtured. pure substance10. The proper use of burette involves:(a) Reading the bottom of the meniscus in a manner that avoids a parallaxerror making sure that you understand that the burette reads from 50.00mL atthe top to 0.00mL at the bottom(b) Reading the bottom of the meniscus in a manner that avoids a parallaxerror making sure that you understand that the burette reads from 0.00mL atthe top to 50.00ML at the bottom(c) Reading the top of the meniscus closest to the volume mark on the burettewith your eye at the same height as the top of the liquid(d) Oh no! My dirty mind strikes again. No, not this time because I need tofocus! I. Multiple Choices. Use the attached google form as your answer sheet forthis part of the exam.1. A chemist needs to accurately transfer 0.100 mL of liquid from onecontainer to another. Which of the following devices should be used?(a) A transfer pipette (b) A measuring pipette(c) A micropipette(d) Graduated cylinder2. Which of the following do not belong together?(a) mortar and pestle(b) hygroscopic and water(c) meniscus and tare(d) None of the choices.3. Which of these laboratory glasswares has an approximate volumecalibration?(a) 10ml. delivery test(b) 25ml. acid burst(c) 100mL volumetric flask(d) 250mL Erlenmeyer flask4. Which of the following reagent would distinguished primary, secondary,and tertiary alcohol?a. NAHCO, reagentb. Lucas reagentc. Fehling's reagentd. sulfuric acid5. What are the three essential attributes of a laboratory notebook?(a) 1. Record what you did; 2. Write in complete sentences; 3. Thenotebook should be understandable by a stranger(b) 1. Record what you did; 2. Record what you observed; 3. Always writethe balanced equations(c) 1. Record what you did; 2. Record what you observed; 3. The notebookshould be understandable by a stranger(d) 1. Record what you did; 2. Record what you observed; 3. Always writethe balanced equation

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Answered: 6. Which of the following is a pure…

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Chemistry

6. Which of the following is a pure substance? a. Diamond b. Salt solution Soap d. Steel c.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 48E: Although the preferred SI unit of area is the square meter, land is often measured in the metric...

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