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Why was the solution heated before it was left in an evaporating dish?
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Where did the substance that appeared at the bottom of the evaporating dish after it was heated come from?
It is likely the substance was a salt such as sodium chloride or copper sulphate that was in solution. When the water evaporated it left the solid salts behind.
What is the difference between watch glass and evaporating dish?
So that the substance in the evaporation dish is fully protected with the glass! The evaporating dish is used to heat and evaporate liquids. This porcelain item resembles a shallow bowl with a spout. Evaporating dishes are traditionally used to evaporate solvent to concentrate a solution; however they can also be used to hold sand for a sand bath, as a small water bath, or as a drying dish (like a watch glass). If heated by a direct flame, it will often be placed on a clay triangle for support. Thank you for your time! peace.....
HOW TO USE THE EVAPORATING DISH?
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Why is nutrient jelly heated before being poured into petri dish?
to kill the micro - organisms
What is the evaporating bowl used for?
It is a shallow bowl or dish so that a small amount of liquid has a large suface area. Evaporation of the solvent is relatively rapid and leaves behind the solute usually in a fine powder/crystalline form.
Can an evaporating dish be heated on a hot plate?
The evaporating dish would not be harmed if it was heated on a hot plate, but it should be heated on a bunsen burner.
What is the black substance on the bottom of the evaporating dish after it has been heated on a Bunsen burner?
What_is_the_black_substance_on_the_bottom_of_the_evaporating_dish_after_it_has_been_heated_on_a_bunsen_burner
A sample of copper powder is heated in an evaporating dish using a Bunsen burner. If the mass of the powder in the evaporating dish increases after heating this indicates that?
the copper must have combined with another substance.
A sample of copper powder is heated in an evaporating dish using a Bunsen burner If the mass of the powder in the evaporating dish increases after heating this indicates that?
the copper must have combined with another substance.
Where did the substance that appeared at the bottom of the evaporating dish after it was heated come from?
It is likely the substance was a salt such as sodium chloride or copper sulphate that was in solution. When the water evaporated it left the solid salts behind.
What is the function of evaporation dish?
evaporating a solvent from a solution, leaving the solute behind.
What is the difference between watch glass and evaporating dish?
So that the substance in the evaporation dish is fully protected with the glass! The evaporating dish is used to heat and evaporate liquids. This porcelain item resembles a shallow bowl with a spout. Evaporating dishes are traditionally used to evaporate solvent to concentrate a solution; however they can also be used to hold sand for a sand bath, as a small water bath, or as a drying dish (like a watch glass). If heated by a direct flame, it will often be placed on a clay triangle for support. Thank you for your time! peace.....
What is an evaporating dish used for?
evaporating dish is used to let substances to evaporate.-aramis nats-Evaporating dishes are used to evaporate excess water - or other solvents - to ensure that a concentrated solution or the dissolved substance is left behind.an evaporating dish is put on top of a tripod over a Bunsen burner and liquids are evaporated off like water evaporated off salt water leaving salt.to let the solvent evaporate and collect the solute in solid state from dissolved stateIt is used to evaporate water from solution to obtain solid materials.
Which pieces of equipment would you use to evaporate a solution using a Bunsen burner?
evaporating dish and watch glass
What happen in the evaporating dish as water in thr beaker is being heated?
After the total evaporation of water a small solid residue can remain in the beaker.
What is the uses of evaporating dish?
Also known as watch glasses, evaporating dishes are used in chemistry in order to evaporate substances, most usually water, to produce a more concentrated solution or a solid precipitate of the dissolved substance.
What is a laboratory evaporating dish?
Petridish
