IMPROPERLY ARRANGED STEPS
PROPERLY ARRANGED STEPS
a. Dissolve chemicals.
a. _______________________
b. Store in airtight container.
b. _______________________
c. Weigh chemicals.
c. _______________________
d. Fill mixing container with
d. _______________________
hot water.
e. _______________________
e. Label.
f. _______________________
f. Add cold water.
a.
Weigh chemicals.
b.
Fill mixing container with hot water.
c.
Dissolve chemicals.
d.
Add cold water.
e.
Store in an airtight container.
f.
Label.
EXERCISE
6.
After a photographic solution has been properly mixed, it is (select one)
a.
allowed to cool and then stored in an airtight container.
b.
stored in an open container, ready for use.
c.
stored in an airtight container and allowed to cool before use.
1-7.
HOW ALL CHEMICALS SHOULD BE REGARDED AND HANDLED.
a. All chemicals should be regarded as poisonous and handled with CAUTION. Anyone
working with chemicals should wear protective clothing such as aprons, rubber gloves, and goggles.
NOTE:
WHEN MIXING ACID AND WATER TOGETHER, ALWAYS ADD THE
ACID SLOWLY TO THE WATER. ALWAYS ADD ACID TO WATER,
NEVER THE REVERSE.
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