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Most often, to see how the metal reacts with when heated with Oxygen.

When submersed in Water, the immediate surface of the metal will not exceed much more than 100degrees celcius, so no reaction with oxygen is visible.

In air, the temperature can reach highs of nearly 800degrees celcius, so reactions with oxygen are more apparent.

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Why did you heat the metal in a dry test tube rather than in the boiling water?

Most often, to see how the metal reacts with when heated with Oxygen. When submersed in Water, the immediate surface of the metal will not exceed much more than 100degrees Celsius, so no reaction with oxygen is visible. In air, the temperature can reach highs of nearly 800degrees Celsius, so reactions with oxygen are more apparent.


Which metal will react spontaneously with water?

Sodium is a metal that will react spontaneously with water, producing sodium hydroxide and hydrogen gas. This reaction is highly exothermic and can be violent, often resulting in the production of heat and flames.


What is test ring in Heat exchanger?

A test ring in a heat exchanger is a device used during the manufacturing process to verify the integrity and quality of the welds. It typically consists of a metal ring that is welded onto the heat exchanger assembly and then tested for leaks or other defects using pressure or other testing methods. This helps ensure that the heat exchanger will perform effectively and safely once it is installed in its intended application.


What is the flame test color of distilled water?

Distilled water does not produce a flame test color because it does not contain any significant amount of metal ions that are responsible for producing colored flames. The flame test is typically used to detect the presence of metal ions in a sample.


How do you tell the difference between silver and metal?

Silver is a metal so I guess you mean iron or steel. • If it is magnetic it is not silver. • Silver conducts heat/cold very well. if you put a solid silver object in hot water it will transmit the heat to your fingers quicker than steel. • You can buy small bottles of acid to test for gold and silver online for less than $10 • If it's big enough you can do an archimedes test by measuring how much water it displaces and finding its density by comparing its volume to weight.

Related Questions

Why did you heat the metal in a dry test tube rather than in a boiling water?

Most often, to see how the metal reacts with when heated with Oxygen. When submersed in Water, the immediate surface of the metal will not exceed much more than 100degrees Celsius, so no reaction with oxygen is visible. In air, the temperature can reach highs of nearly 800degrees Celsius, so reactions with oxygen are more apparent.


Why did you heat the metal in a dry test tube rather than in the boiling water?

Most often, to see how the metal reacts with when heated with Oxygen. When submersed in Water, the immediate surface of the metal will not exceed much more than 100degrees Celsius, so no reaction with oxygen is visible. In air, the temperature can reach highs of nearly 800degrees Celsius, so reactions with oxygen are more apparent.


what is the best home test to check if a metal is gold Is the water test a good test for gold if it sinks?

if the metal sinks in water is is proof it is gold


Can you boil water in a test tube suspended in a pot of water?

Yes, you can boil water in a test tube suspended in a pot of water using a Bunsen burner or a heat source. The water in the pot will transfer heat to the test tube, causing the water inside to boil. Make sure to handle the test tube carefully to avoid breakage and use appropriate safety precautions.


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 is going on inside atoms of a metal when a metallic salt of that metal is dissolved in water and then placed in a hot flame?

When a metallic salt is dissolved in water, the metal ions present in the salt become hydrated and surrounded by water molecules. When this solution is placed in a hot flame, the water evaporates due to the heat, leaving behind the metal ions. The metal ions then absorb the energy from the flame and get excited, leading to the emission of characteristic colors in the flame test.


Which metal will react spontaneously with water?

Sodium is a metal that will react spontaneously with water, producing sodium hydroxide and hydrogen gas. This reaction is highly exothermic and can be violent, often resulting in the production of heat and flames.


Why hydrogen sulphide used in heavy metal test?

Because some metal sulfides are water insoluble.


How do you test for fresh concrete?

Metal presents,colour,water content.


How could you test if argon is a non metal?

You first get a bowl of tap water, get a test tube with the argon in it. Take out the cork screw out of the test tube. Get a splint put it over the test tube when you open it and it it pops that means it is a metal


What is test ring in Heat exchanger?

A test ring in a heat exchanger is a device used during the manufacturing process to verify the integrity and quality of the welds. It typically consists of a metal ring that is welded onto the heat exchanger assembly and then tested for leaks or other defects using pressure or other testing methods. This helps ensure that the heat exchanger will perform effectively and safely once it is installed in its intended application.


What is a hypothesis for which metal absorbs heat the most?

A hypothesis is a guess based on what you know. Which metal do YOU think will absorb heat the most? Write it as a statement and that will be your hypothesis: "I think _____ will absorb heat the most." It doesn't matter if your hypothesis is right or wrong, just that you have a guess.Of course, then you need to test your hypothesis and actually find out which metal does!