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hi, the plates should ideally be innoculated with bacteria and then covered with parafilm to prevent the release of ammonia that is produced by some bactrial strains.
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What should be done with any unused or used chemical once it has been taken from the original container?
An unused portion of a chemical taken out of its container should be properly disposed of. The original container has identification information and warnings. Chemical that been poured out may become contaminated so should not be poured back.
Where to find container for syringes so you can drop off?
USED SYRINGES SHOULD ALWAYS be place in a hard plastic or metal container with a lock on it. There should be slot to drop them through, where you can not reach in and touch one. They should be then taken to a hospital or a med lab. Call first to make sure that they accept them. You can also purchace a container called a "SHARPS DISPOSAL CONTAINER" AT ANY FULL SERVICE PHARMACY. <<ADR>>
Should you never return a chemical ti its original container after an experiment?
That is correct. Chemicals in their original container have a known purity, but there is always the chance that the temporary container you used was contaminated without your knowledge. If you put the material back that contamination then contaminates the entire container.
Why should the stopper of a chemical reagent container container be handled carefully?
The stopper of a chemical container should be handled carefully to avoid contact of a dangerous chemical with the skin. Careful handling is also key to preventing contamination.
What hazard symbol should you find on a container of hydrogen?
hydrogen is corrosive and irritant
Can you eat cooked seafood if left out all night in a covered container?
You can eat anything you want; but should you? Absolutely not! An unrefrigerated, covered container of cooked or uncooked seafood is basically an incubator for salmonella. The food should be thrown out.
Why should the jar used to develop TLC plates be covered?
The jar should be covered so that it is saturated with the vapours of the volatile solvent before the plate is allowed to run.
How do you tell if your car battery has enough fluid?
The plates should be covered. From above plates look like narrow pale bars. Rock the battery gently to see the fluid level. Add distilled water if needed.
What is the shelf life of betty crockers buttercream style icing?
There should be an expiration date on the container. But if there's not, then it should be good for about a year unless it's been opened. Once opened, store tightly covered in the refrigerator for about two weeks, then discard if not used by then.
Where is the VIN number located on a KTM 300 xc?
You should check the sides of the windshield for and indented but covered spot containing the VIN. Also, It should be in your registration.
Which container should you load bread crumbs in refer container or normal container?
You will want to use a refrigerated container to keep them from molding.
Does a 1988 ford laser have a VIN?
All cars have a vin number. It should be located on one of the plates that are pop rivetted to the firewall in the engine bay.
What should you do when you break glassware in a lab?
Let your instructor know. Put glass in broken glass container located in lab. Follow your teachers instructions.
What is the shelf life of wilton's decorator icing?
There should be an expiration date on the container. But if there's not, then it should be good for about a year unless it's been opened. Once opened, store tightly covered in the refrigerator for about two weeks, then discard if not used by then.
Where is the fuel filter located on a 1997 Chevy Malibu?
the fuel filter should be located under car in front of the fuel tank. dont forget jack stands and a small container for some drainage
When should you the read label on a chemical container?
The safety label on a chemical container should be carefully read before opening the container, and especially before using the contents. Any health and safety instructions should be followed.
How do you many clutch plates in a Yamaha blaster clutch?
there should be 6 clutch plates
