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How can a half test tube of sugar and a half test tube of water add up to one full test tube?
cnjdncfdc
Consistent temperature can be achieved while heating a test tube by doing what?
Consistent temperature can be achieved while heating a test tube by using a controlled heat source, such as a hot plate or a water bath, and regularly monitoring the temperature with a thermometer. Stirring the contents of the test tube can also help distribute heat evenly, ensuring uniform heating.
What is the difference between a test tube holder and a test tube rack?
No. A ringstand is a stand with a base with a large pole sticking out of it. that you can attach rings to. A wire mesh is usually placed on the ring for setting a beaker to be heated. A test tube clamp can be attached to the ring stand to hold a test tube, for say, heating it in a hot water bath.
What liquid condenses from the air onto walls of test tube filled with ice?
Water vapor from the air condenses onto the walls of the test tube when it comes in contact with the cold surface of the ice inside the tube. This condensation forms liquid water droplets on the walls of the test tube.
What do you clean a test tube with?
A thin, long brush called a 'test-tube brush'.
Consistent temperature can be achieved while heating a test tube by doing what?
Consistent temperature can be achieved while heating a test tube by using a controlled heat source, such as a hot plate or a water bath, and regularly monitoring the temperature with a thermometer. Stirring the contents of the test tube can also help distribute heat evenly, ensuring uniform heating.
Alternate Wordings for 'Which freezes first cold water or hot water or salt water?
One alternate wording is At waters freezing temperaturethere are 3 test tubes, cold water is in test tube A, hot water is in test tube B, and salt water is in test tube C. Which test tube at (32 degrees) which will freeze the fastest? i hope i helped!
How can a half test tube of sugar and a half test tube of water add up to one full test tube?
cnjdncfdc
How high is 2 mL of water in a test tube?
It depends on what size test tube you are using.
What happens if you use a luminous flame to boil water in a test tube?
Carbon is settled on the test tube.
How do you find the volume of water in a beaker?
7.6 ml
Why do we heat the test tube in a water bath not directly over a flame?
IN Physics wards:Why do we heat test tube in a water bath and not directly over a flame?
What happens to iron placed in a test tube with a stopper?
Iron and oxygen in a test tube alone will not react (observed by placing a piece of iron in a test tube with a stopper).Iron and water in a test tube alone will not react (observed by completely submerging a piece of iron in water in a test tube with a stopper).Iron, water and oxygen in a test tube will react (observed by placing a piece of iron in a test tube and submerging half of it with water). The following reaction will take place: iron + water + oxygen ----> hydrated iron(III) oxide. Hydrated iron(III) oxide is the chemical name for rust, which will appear as orange flaking on the piece of iron. To speed up this reaction you can use a bit of salt as a catalyst.
Why an empty test tube placed in water in a beaker with mouth outside the water surface shines like a mirror when seen at certain angle?
the test tube has air inside it.In the outer surface of the test tube is water.Due to the different media across the test tube surface the reflection of light occurs through the glass surface.Hence the test tube shines(behaves)like a mirror
What is the difference between a test tube holder and a test tube rack?
No. A ringstand is a stand with a base with a large pole sticking out of it. that you can attach rings to. A wire mesh is usually placed on the ring for setting a beaker to be heated. A test tube clamp can be attached to the ring stand to hold a test tube, for say, heating it in a hot water bath.
What happens to the level of water in a test-tube as hydrogen is produced?
Ya... In a test tube add some aluminum foils and some amount of NaOH... Introduce the flame near mouth of the test tube... Then see the magic...
How would you show that water is not a good conductor of heat?
Water has a low thermal conductivity compared to metals and other materials, meaning it does not transfer heat efficiently. This is why water takes longer to heat up or cool down compared to other substances. Additionally, water has a high specific heat capacity, which allows it to absorb and release heat without significant temperature changes.
