CHEM 1LC FINAL PREP – SAFETY QUESTIONS AND
ANSWERS 2024/2025 A COMPLETE EXAM SOLUTION
ALL ANSWERS 100% CORRECT DETAILED BEST RATED A+
FOR SUCCESS
Which of the following are true about bleach?
-Nitrile gloves have a ___ min breakthrough time for bleach
-Bleach is a weak reducing agent
-Bleach can causes severe ___ burns and ____ damage
-If a significant amount of ____ is spilled on you, get into the _____ immediately
-Bleach forms poisonous chlorine and chloramine gas when combined with ____ - CORRECT
ANSWERS -Nitrile gloves have a 480 min breakthrough time for bleach
-Bleach can causes severe skin burns and eye damage
-If a significant amount of bleach is spilled on you, get into the shower immediately
-Bleach forms poisonous chlorine and chloramine gas when combined with ammonia
What percentage of known chemicals have safety data sheets? - CORRECT ANSWERS 0.1%
Who creates SDS? - CORRECT ANSWERS chemical suppliers
What GHS components are incorporated in SDS? - CORRECT ANSWERS pictograms
signal words
hazard ratings
hazard statements
precautionary statments
SDS is written for a (professional or industrial) setting, because of this, chemical hazards and
personal protective equipment requirements may be (under or overstated). - CORRECT
ANSWERS SDS is written for an indurstial setting, because of this, chemical hazards and
personal protective equipment requirements may be overstated.
,CHEM 1LC FINAL PREP – SAFETY QUESTIONS AND
ANSWERS 2024/2025 A COMPLETE EXAM SOLUTION
ALL ANSWERS 100% CORRECT DETAILED BEST RATED A+
FOR SUCCESS
Rearrange these steps for using SDS:
-Look at the procedures for safe handling
-compare label info to ensure you have right SDS
-determine hazard class - CORRECT ANSWERS 1. compare label info to ensure you have right
SDS
2. determine hazard class
3. Look at the procedures for safe handling
What should be done while handling a corrrosive?
-if exposed...
-discard _____ after contamination of taking off
-wear _____, _____, and _______
-carry bottles in _______ _______
-use in the fume hood if the ______ is a _______ hazard
-long or short clothing? ____-shedding closed toed shoes
-know the location of the ____ stations - CORRECT ANSWERS -if exposed wash off skin
immediately
-discard gloves after contamination of taking off
-wear gloves, goggles, and lab coat
-carry bottles in secondary containers
-use in the fume hood if the _corrosive is a inhalant hazard
-long clothing water-shedding closed toed shoes
-know the location of the eyewash stations
, CHEM 1LC FINAL PREP – SAFETY QUESTIONS AND
ANSWERS 2024/2025 A COMPLETE EXAM SOLUTION
ALL ANSWERS 100% CORRECT DETAILED BEST RATED A+
FOR SUCCESS
random error (pick two)
-reduced by using a best fit line
-failure to read the last sig figs
-inaccurate calibration of pH probe
-result of equipment failure
-consistently reading buret volume by looking up at liquid level
-light source on spectrometer dims over time
-causes outlier than can be determined by "Q-test"
-measured by calculating standard deviation
-eliminated by good experimental methods, more than 1 calibration step
-using graduated cylinder instead of volumetric flask to make standard deviations - CORRECT
ANSWERS random error:
-measured by calculating standard deviation
-reduced by using a best fit line,
instrumental error (pick two)
-reduced by using a best fit line
-failure to read the last sig figs
-inaccurate calibration of pH probe
-result of equipment failure
-consistently reading buret volume by looking up at liquid level
-light source on spectrometer dims over time
-causes outlier than can be determined by "Q-test"
ANSWERS 2024/2025 A COMPLETE EXAM SOLUTION
ALL ANSWERS 100% CORRECT DETAILED BEST RATED A+
FOR SUCCESS
Which of the following are true about bleach?
-Nitrile gloves have a ___ min breakthrough time for bleach
-Bleach is a weak reducing agent
-Bleach can causes severe ___ burns and ____ damage
-If a significant amount of ____ is spilled on you, get into the _____ immediately
-Bleach forms poisonous chlorine and chloramine gas when combined with ____ - CORRECT
ANSWERS -Nitrile gloves have a 480 min breakthrough time for bleach
-Bleach can causes severe skin burns and eye damage
-If a significant amount of bleach is spilled on you, get into the shower immediately
-Bleach forms poisonous chlorine and chloramine gas when combined with ammonia
What percentage of known chemicals have safety data sheets? - CORRECT ANSWERS 0.1%
Who creates SDS? - CORRECT ANSWERS chemical suppliers
What GHS components are incorporated in SDS? - CORRECT ANSWERS pictograms
signal words
hazard ratings
hazard statements
precautionary statments
SDS is written for a (professional or industrial) setting, because of this, chemical hazards and
personal protective equipment requirements may be (under or overstated). - CORRECT
ANSWERS SDS is written for an indurstial setting, because of this, chemical hazards and
personal protective equipment requirements may be overstated.
,CHEM 1LC FINAL PREP – SAFETY QUESTIONS AND
ANSWERS 2024/2025 A COMPLETE EXAM SOLUTION
ALL ANSWERS 100% CORRECT DETAILED BEST RATED A+
FOR SUCCESS
Rearrange these steps for using SDS:
-Look at the procedures for safe handling
-compare label info to ensure you have right SDS
-determine hazard class - CORRECT ANSWERS 1. compare label info to ensure you have right
SDS
2. determine hazard class
3. Look at the procedures for safe handling
What should be done while handling a corrrosive?
-if exposed...
-discard _____ after contamination of taking off
-wear _____, _____, and _______
-carry bottles in _______ _______
-use in the fume hood if the ______ is a _______ hazard
-long or short clothing? ____-shedding closed toed shoes
-know the location of the ____ stations - CORRECT ANSWERS -if exposed wash off skin
immediately
-discard gloves after contamination of taking off
-wear gloves, goggles, and lab coat
-carry bottles in secondary containers
-use in the fume hood if the _corrosive is a inhalant hazard
-long clothing water-shedding closed toed shoes
-know the location of the eyewash stations
, CHEM 1LC FINAL PREP – SAFETY QUESTIONS AND
ANSWERS 2024/2025 A COMPLETE EXAM SOLUTION
ALL ANSWERS 100% CORRECT DETAILED BEST RATED A+
FOR SUCCESS
random error (pick two)
-reduced by using a best fit line
-failure to read the last sig figs
-inaccurate calibration of pH probe
-result of equipment failure
-consistently reading buret volume by looking up at liquid level
-light source on spectrometer dims over time
-causes outlier than can be determined by "Q-test"
-measured by calculating standard deviation
-eliminated by good experimental methods, more than 1 calibration step
-using graduated cylinder instead of volumetric flask to make standard deviations - CORRECT
ANSWERS random error:
-measured by calculating standard deviation
-reduced by using a best fit line,
instrumental error (pick two)
-reduced by using a best fit line
-failure to read the last sig figs
-inaccurate calibration of pH probe
-result of equipment failure
-consistently reading buret volume by looking up at liquid level
-light source on spectrometer dims over time
-causes outlier than can be determined by "Q-test"
