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HOW TO USE THE EVAPORATING DISH?
nknbvk
Why do you use water-bath for evaporating salt soution?
Water baths are used in chemistry laboratories for the indirect and controlled heating of substances, laboratory glassware, etc.
If you mixed soil with water how would you separate the different components to get a solution?
evaporating the water would leave the soil in the container, or, depending on the solubility of soil, you could use a filter.
Determination of magnesium in tap water?
u can use titration with EDTA or use flame atomic absorption.. but titration with EDTA is the easiest
What happens if you use a luminous flame to boil water in a test tube?
Carbon is settled on the test tube.
How can you separate the calcium chloride from the water?
Use a zink sulphate test
What time does it take to boil the water if you use luminous flame?
Depends mainly on the amount of water and the starting temperature and the measure of the flame.
Is direct heating advisable when evaporating NaCl solution?
no, it is more safe to use water bath :)
Is direct heating using Bunsen burner flame advisble when evaporating the soduim cholride solution?
As long as the solution is a water-based solution, it should be fine. You should never ever use a Bunsen burner to heat a flammable liquid such as alcohol, ether, acetone, etc.
Which is a correct English cook on low fire or low flame or low heat?
Which of these expressions you might use depends on what kind of heat you are cooking on. "Low flame" is something you would say if you have a gas stove, and "low heat" suggests an electric one. I have not heard "low fire" but it might be used by people who cook on open fires (a rare thing these days).
HOW TO USE THE EVAPORATING DISH?
nknbvk
Why must you use hot water bath to melt the naphthalene instead of heating it directly over a flame?
Heating it on a flame will cause possibly dangerous vapour. Hot water avoids this.
Why do you use water-bath for evaporating salt soution?
Water baths are used in chemistry laboratories for the indirect and controlled heating of substances, laboratory glassware, etc.
What do flatworms use to remove excess water from body fluids?
Flame cells.. yw
If you mixed soil with water how would you separate the different components to get a solution?
evaporating the water would leave the soil in the container, or, depending on the solubility of soil, you could use a filter.
What do freshwater flatworms use to remove excess water from body fluids?
Flame cells.. yw
What is a sentence you can use for the word evaporate?
The steam you see on hot days coming off the slip-n-slide is really the water evaporating off of it.
