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A science teacher added the reactive metal potassium to water. The metal formed a ball shapeon the surface of the water and the gas given off burned with a pop. Name the gas given off.?
The gas given off is hydrogen gas. When potassium reacts with water, it forms potassium hydroxide and hydrogen gas. The pop sound is due to the ignition of the hydrogen gas.
How do you check that it's a hydrogen gas?
To check if a gas is hydrogen, you can perform the "squeaky pop" test. Collect a small sample of the gas in a test tube and ignite it with a flame; if it produces a squeaky pop sound, it is likely hydrogen gas. Additionally, you can use a flame test in a controlled laboratory setting to see if the gas burns with a pale blue flame, characteristic of hydrogen.
Why does a pop sound happen when you add heat on top of the magnesium metal and hydrochloric acid?
reacts with hydrogen gas given off.
How do you know if hydrogen gas is formed in an experiment?
Hydrogen gas is colorless and odorless, making it challenging to detect visually. One way to confirm its presence in an experiment is to test for its characteristic 'pop' sound when a flame is brought near it, indicating its flammability. Alternatively, you can use a gas sensor or a chemical indicator that specifically reacts with hydrogen gas to produce a visible change.
How do you determine whether a gas given off during a chemical reaction is oxygen or hydrogen?
One way to determine whether a gas given off during a chemical reaction is oxygen or hydrogen is by performing a gas test. For example, the gas test for oxygen involves relighting a glowing splint when inserted into the gas. If the splint reignites, then the gas is oxygen. The gas test for hydrogen involves holding a lit match near the gas, and if a "pop" sound is heard, then the gas is hydrogen.
Why does the cap pop off a bottle of water?
Gas caused by fermentation.
What causes the cap to pop off a bottle or orange juice?
the gas inside it
What gas is given of when a carbonate reacts with an acid?
The answer for this is carbon dioxide.if you want to know the answer for this "what gas burns with a squeaky pop"enter this WWW.burnsqueakypopy.co. qr
Which thing gives colourless gas that burns with pop sound on reaction with dilute hcl?
Zinc metal gives off a colorless gas (hydrogen gas) that burns with a pop sound when reacted with dilute hydrochloric acid.
How can one test for hydrogen in a given sample?
One can test for hydrogen in a given sample by using a hydrogen gas sensor or by conducting a flame test, where hydrogen gas is ignited to produce a characteristic pop sound.
What is the independent variable in the tootsie pop experiment?
The independent variable in the Tootsie Pop experiment is the type of candy coating on the lollipop - whether it is smooth or bumpy.
What causes the cap to pop off a bottle of orange juice?
The cap on a bottle of orange juice can pop off due to an increase in pressure inside the bottle, often caused by fermentation of sugars in the juice, temperature changes, or exposure to sunlight. This can result in gas buildup, leading to a release of pressure that causes the cap to pop off.
