Ammonium hydroxide should be stored with? Other weak bases, but not with strong

Question

Ammonium hydroxide should be stored with? Other weak bases, but not with strong bases Weak acids, since it is a weak base Nonoxidizing acids Strong bases such as NaOH and KOH What is the allowable glass container size for Class II combustibles for a laboratory unit in Fire Hazard Class C? 15 L 4 L 10 L 20 L What are the best materials for constructing a cabinet designed to hold corrosives? Metal or polyethylene Polyethylene or painted/sealed wood Polyethylene or unpainted wood Metal or painted/sealed wood What features should a well-constructed corrosive cabinet have? Sturdy shelves Locks Spill-containing shelves and bottom I. only I. & III. I. & II. II & III. Storage cabinets for flammables can be constructed from Only steel Noncombustible polyethylene Only thick plywood treated with fire-resistant paint Steel or thick plywood What should be painted on all flammables storage cabinets? "Flammable cabinet- No acids" "Contents Flammable" "Warning-Contents may be on fire" "Flammable- Keep fire away" Which is true? Acids and bases can be stored together as long as the concentrations are less than 6 M. Acids and bases should not be stored together. Acids and bases can be stored together, but only for periods of less than 1 month Acids and bases can be stored in the same cabinets, but not on the same shelf. Storage cabinets for flammables Must be vented with flame-arresting openings Must not be vented Must be vented Can be vented or non-vented

Explanation / Answer

Q1.

Ammonium hydroxide is actually just:

NH3(aQ) + H2O(l) NH4+(aq) + OH- i.e. NH4OH

is a very caustic base, but it is a weak base, so it must go with weak bases

Q2.

For ClassII + C type --> 4 L - 5L so choose B

Q3.

for corrosive material --> use polyethylen (low reactivity) + pained material (no reactive)

Q4.

It should have all of them, since strudy shelves will protect fom leakages or reactins, locks fof safety and spill shelves at the bottom in case there is leakage

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