Practice Quiz

HT Histotechnician

Category - Laboratory Operations

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As a histotechnician, one must know the basic knowledge in handling hazardous histological chemicals. As a rule of the thumb, diluting acids should be done correctly using which of the following procedure?
  1. When diluting a concentrated acid, pour water into the acid and this should be done under the chemical fume hood.
  2. When diluting a concentrated acid, pour the acid into the water and this should be done under the chemical fume hood.
  3. When diluting a concentrated acid, pour the acid into the water and this should be done in the sink.
  4. When diluting a concentrated acid, pour the acid into the water. This should be done on a place in the laboratory where nobody is present.
Explanation
Answer: B - When diluting a concentrated acid, pour the acid into the water and this should be done under the chemical fume hood.
As a rule of the thumb, when diluting a concentrated acid, pour the acid into the water. This should be done inside the chemical fume hood to avoid splashing of the chemicals and to prevent hazardous chemical fumes from being inhaled that can dangerous to the laboratory personnel.
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