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Tenth Grade (Grade 10) Lab Practices and Tools Questions

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Grade 10 Lab Practices and Tools
Any lab chemical may be flushed down the sink.
  1. The statement is correct.
  2. The statement is incorrect.
Grade 10 Lab Practices and Tools
If you get a chemical in your eye, what should you do?
  1. Blink very fast.
  2. Flush your eyes in the eye wash for 15-20 minutes.
  3. Hold your eyes tightly shut.
  4. Rub your eyes to stimulate tearing.
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
Chemicals should be stored
  1. according to their reactivity with other substances.
  2. by alphabetical order.
  3. in an off-site research facility.
  4. in a dark room.
Grade 10 Lab Practices and Tools
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
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
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
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
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
                       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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