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Tenth Grade (Grade 10) Lab Practices and Tools Questions

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Grade 10 Lab Practices and Tools
When testing for odors, what technique should be used?
  1. Let your partner sniff it first
  2. Wafting motion (gently wave hand towards nose)
  3. Inhale gently
  4. Ask the teacher to do it for you
Grade 10 Lab Practices and Tools
If you get something in your eyes in the science lab you should know where the
  1. eyewash is
  2. fire extinguisher is
  3. exit is
  4. window is
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
You have been injured in the laboratory (cut, burned, etc.). First you should
  1. visit the school nurse
  2. tell the teacher
  3. apply first aid yourself
  4. scream loudly
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
What is the first thing you should do if there is an accident in the lab?
  1. Notify the instructor
  2. Clean it up
  3. Leave the class
  4. Wait until your lab partner cleans it up
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
Which of the following represents a quantitative observation?
  1. a unit
  2. a measurement
  3. an element
  4. a ruler
Grade 10 Lab Practices and Tools
Which of the following is the safest practice when mixing water and an acid?
  1. Always pour acid into water
  2. Mix the acid and water by swirling and shaking
  3. Always pour water in acid
  4. Mix the acid and water by using a gloved hand
Grade 10 Lab Practices and Tools
When diluting an acid, always pour
  1. Water into the acid
  2. The acid into the water
  3. The acid down the drain
  4. Acids and bases together
Grade 10 Lab Practices and Tools
When working with chemicals and burners, always wear
  1. Safety goggles
  2. Laboratory apron
  3. Both a & b
  4. Neither a nor b
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
You should know the location of safety equipment in the laboratory and
  1. Use it once a week
  2. Use it twice a week
  3. Where it is produced
  4. How to use it properly
Grade 10 Lab Practices and Tools
                       invention of the microscope is the basis of microbiology today.
  1. William Harvey's
  2. Gabriel Fahrenheit's
  3. Anton von Leeuwenhoek's
  4. William Roentgen's
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