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Pure water will have a high resistance, a low conductivity for electricity. If there are ions present, then the conductivity will be greater.
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What is a good way to test a hypothesis?
Experimentation is a good way to test a hypothesis.
What is an experiment you can do to test buoyancy?
Place the object to be tested in the liquid you are interested in and see if it floats or not.
Give the name of the colourless liquid that collects in the test -tube?
The distillate
What hazards are associated with heating a liquid in a test tube that is tightly closed with a cork?
creates pressure
When a glass rod is immersed in the colourless liquid the glass rod seems to be deappeared why?
Hey! The reason it seems to disappear is because of the refraction and absorption of light and colour. When light enters the colourless liquid, colour is obviously absorbed. The light waves refract ("bounce") off the glass test tube and leave the glass beaker (containing the colourless liquid). Because the liquid and solid are the same colour, it creates the illusion of the test tube disappearing.
What is the flame test for aluminum?
Aluminium ions like Magnesium ions have no colour in a flame test
How do you test for potassium ions?
Flame test
What color is a copper compound when you burn it?
It depends on the compound. If the compound contains copper (I) ions, the flame is blue. If the compound contains copper (II) ions bonded to a halogen (F, Cl, I, Br, or At), the flame will be a blue-green color, and if the compound contains copper (II) ions and no halogens, the flame will be a deep green.Copper sulfate burns a light/sky blue colour.
How would you test a urine sample for phosphate ions?
Tubidity with standard Ammonium Molybdate solution
What is the test to show if hydrogen chloride contains chloride ions?
Add silver nitrate to it. Silver chloride which is. A white ppt will form. This shows that chloride ion is present.
What liquid condenses from the air onto walls of test tube filled with ice?
Water is the resulting "fog" as air often contains moisture.
Will metronidazole test?
What test is metrondazole test? Which contains have metronidazole test? What is mycoplasma agar A7? Which contains have mycoplasma agar A7?
What is a cation test?
Testing for cations is a test used in chemistry to identify metal or metal ions (cations) found in compounds. ... This test uses sodium hydroxide or aqueous ammonia to test and identify metal ions by the precipitation formed.
How do you test a liquid for alcohol?
Drink it the liquid.
How are starches identified at the laboratory?
You put a piece of food in a test tube and add a few drops of a speacil liquid and if the food turns yellow it contains starch
What application of the liquid penetration liquid test?
Liquid Penetration test stands for a such test that can be done from the victim's end using petrol, kerosene, greaseetc.
Which reagents do you use to test for negative ions?
There is not a special test for negative ions IN GENERAL. However there are many possibillities for negative ions of each kind in particular: Example: test on Cl- : add silver nitrate: AgCl precipitate test on S2-: add drop of dilute acid: smell of rotten eggs (H2S) test on SO42-: add BaCl2 solution: BaSO4 precipitate
