Answer the following questions._____1. Which of the ff you can use for mixing liquids?a) test tube brush b) stirring rod c) analytical balance d) iron clamp_____2. Which of the ff you can NOT use to measure liquids?a) beaker b) serological pipet c) graduated cylinder d) volumetric pipette_____3. It can be used to contain samples for heating with flames >400 °Ca) test tube b) O-ring c) Bunsen burner d) crucible with cover_____4. The ff can be used for boiling a solution of salt, EXCEPTa) beaker b) Bunsen burner c) Buchner funnel d) Wire gauze____5. Which of the should be used when you want to separate OIL and WATER?a) buret b) separatory funnel c) buchner funnel d) Pasteur pipette

1) The tool which is used for mixing liquids is stirring rod. Therefore, the correct answer is…

Answer the following questions. _____1. Which of the ff you can use for mixing liquids? a) test tube brush b) stirring rod c) analytical balance d) iron clamp _____2. Which of the ff you can NOT use to measure liquids? a) beaker b) serological pipet c) graduated cylinder d) volumetric pipette _____3. It can be used to contain samples for heating with flames >400 °C a) test tube b) O-ring c) Bunsen burner d) crucible with cover _____4. The ff can be used for boiling a solution of salt, EXCEPT a) beaker b) Bunsen burner c) Buchner funnel d) Wire gauze

Answer the following questions. ___1. Which of the ff you can use for mixing liquids? a) test tube brush b) stirring rod c) analytical balance d) iron clamp _2. Which of the ff you can NOT use to measure liquids? a) beaker b) serological pipet c) graduated cylinder d) volumetric pipette _3. It can be used to contain samples for heating with flames >400 °C a) test tube b) O-ring c) Bunsen burner d) crucible with cover ___4. The ff can be used for boiling a solution of salt, EXCEPT a) beaker b) Bunsen burner c) Buchner funnel d) Wire gauze

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter3: Matter-properties And Changes

Section: Chapter Questions

Problem 57A

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TRUE OR FALSE __________ 6. The bowl of the funnel for gravity filtration may be filled to the brim. __________ 7. Transfer liquids and solutions from a reagent bottle or beaker with the aid of a stirring rod. __________ 8. Never touch, taste, or smell a chemical unless specifically told to do so. __________ 9. If uncertain as to how to dispose of a chemical, dumping it into the sink followed by copious amount of water is a safe disposal procedure. __________ 10. A centrifuge machine should be balanced with an even number of centrifuge/test tubes, placed across the rotor from one another, with equal volumes of liquid.
Complete solution. Box final answer.
Question 3 please. It's a practice exam. Will post the answer with it.
_____1. Which of the ff you can NOT use to measure liquids? a) beaker b) serological pipet c) graduated cylinder d) volumetric pipette _____2. It can be used to contain samples for heating with flames >400 °C a) test tube b) O-ring c) Bunsen burner d) crucible with cover _____3. The ff can be used for boiling a solution of salt, EXCEPT a) beaker b) Bunsen burner c) Buchner funnel d) Wire gauze ____4. Which of the should be used when you want to separate OIL and WATER? a) buret b) separatory funnel c) buchner funnel d) Pasteur pipette
volumertic and non-volumetric quantitative analytical menthods
a) Why should a fixed-volume pipette be more accurate than a graduated pipette? b) Why would returning chemicals to a reagent bottle introduce contaminant?
This question is not an accredited question
Make a dilution series to get to 1:100. Start with making 1:10 dilution by adding 1mL of sample and 9mL of diluent, now continue the series to get to 1:100
Write A if only statement A is true; Write B if only statement B is true; Write C if both statements A and B are true; Write D if both statements A and B are false. ______ (1) A. Graduated cylinder is used to accurately measure the volume of liquid. B. Bunsen burner is used to provide heat for experimentation. ______ (2) A. All chemical reagents should be considered safe, B. Read and study all the procedures before performing the laboratory experiment. ______ (3) A. Flammable materials, like alcohol should never be dispensed or used near an open flame. B. After completing an experiment, all chemical wastes should be dumped in the sink.
Define Laboratory testing
5) How will each of the following experimental errors influence the results of your calculated densities you reported? State whether the error will tend to make your density results too large, too small or unchanged. Explain why this would occur by identifying which measurements would be affected (high or low) and how this would affect the calculated density. a) In method 2, the metal cylinder you used had a number of air bubbles on its when immersed in the water.
Select the piece of equipment that should be used to carry out the specified task in each example. 1. Accurately measuring the volume of a liquid graduated cylinder beaker Erlenmeyer flask pipet 2. Removing solid chemicals from a reagent bottle tongs pipet beaker spatula 3. Rrecisely transferring a specific volume of solution from bne container to another pipet volumetric pipet graduated cylinder beaker 4. Holding approximately 250 mL of liquid volumetric flask buchner funnel beaker graduated cylinder 5. Heating a water bath to boiling hot plate wire gauze buchner funnel ring stand 6. Dispensing or delivering an accurately measured volume of liquid into a container graduated cylinder beaker volumetric flask burette 7. Preparing a solution that is precisely 100 mL volumetric flask Erlenmeyer flask pipet beaker 8. Cooling hot glassware spatula wire gauze burette clâmp hot plate 9. Filtering or separating a precipitate from a solution Erlenmeyer flask pipet buchner funnel tongs 10.…