Which gas is usually liberated when an acid reacts with a metal Illustrate with an example How will you test for the presence of this gas?

Which gas is usually liberated when an acid reacts with a metal. Illustrate with example. How will you test for the presence of this gas?

Hydrogen gas is usually liberated when an acid reacts with a metal, as in the reaction between hydrochloric acid and zinc: HCl + Zn -> ZnCl2 + H2. To test for the presence of hydrogen gas, you can place a burning splint near the reaction vessel; if the gas is present, it will produce a 'pop' sound as it ignites.

What does sit in the presence mean?

The saying "sit in the presence" is usually used to refer to being in close proximity to someone or an object. Here is an example sentence: It was a once in a lifetime experience to sit in the presence of Barack Obama.

Why are there morals in parables?

Parables often don't have morals they are usually used to illustrate spiritual truths.

How nuclear energy is transform into electricity?

The nuclear substance heats water which evaporates and drives turbines which power generators.

Does field exist between lines?

Yes, usually. The lines are simply shown to illustrate direction and strength of the field.

Is a tree harmed because of the presence of birds?

Usually no.

Does the amount of potassium iodide added to the potassium iodate solution affect the amounts of iodine liberated in iodometric titration?

Yes, the amount of potassium iodide added to the potassium iodate solution in iodometric titration affects the amount of iodine liberated. Potassium iodide serves as a reducing agent, reacting with the iodate ion to form iodine. The quantity of potassium iodide added determines the rate and completeness of this reaction, impacting the amount of liberated iodine available for titration.

Metals non metals illustrate with example?

If you're asking how metals and non-metals bond, they do so via ionic bonding. The structure of such chemicals is usually crystalline. The metal usually carries a positive ionic charge (loses 1 or more electrons) while the non-metal usually carries a negative ionic charge (gains 1 or more electrons). The most common example would be Table salt; Sodium Chloride, NaCl.

Where might you use pie charts in real life?

Usually when you want to illustrate the parts of the whole for up to 7 categories.

How do you illustrate the universal set?

It is usually a rectangular boundary of a Venn diagram. It is the area surrounding all the circular shapes in these diagrams.

What causes intoxication?

Usually if there is overwhelming presence of water in the lungs usually caused by diseases or perhaps drowning.

When did the Jews get out of concentration camps?

It is a misconception that Jews were the only ones in the camps. They did make up a large percentage of the population, but several other groups were imprisoned there as well. Gypsies, homosexuals, Jehovah's Witnesses, handicapped, and even those that were just not liked for political reasons were taken away. As far as when these people were released depended on what camp they were in, and when forces came in to liberate them. Not all camps that were closed were liberated. That usually meant that all the prisoners were killed or moved to another camp. Even at the camps that were liberated, there were often thousands of deaths. Here is a list: Auschwitz: liberated January 27, 1945 Belzec: Closed without liberation June 1943 Bergen-Belsen: liberated April 15, 1945 Bogdanovka: massacred and closed December 31, 1941 Buchenwald: liberated April 4, 1945 Chelmno: liberated January 20, 1945 Dachau: liberated April 29, 1945 Flossenburg: liberated April 23, 1945 Gross-Rosen: liberated February 14, 1945 Janowska: liquidated after attempted uprising November 19, 1943 Jasenovac: revolt, 80 escaped, remaining 520 killed, April 22, 1945 Kaiserwald: liberated October 13, 1944 Majdanek: liberated July 24, 1944 Maly Trastsianiets: liberated June 28, 1944 Mauthausen-Gusen: liberated May 5, 1945 Neuengamme: May 3, 1945 closed and all 10,000 prisoners killed in a battle Ravensbruck: liberated April 30, 1945 Sachsenhausen: liberated April 22, 1945 Sajmiste: Closed September 1944 Sobibor: successful revolt October 14, 1943 Stutthof: liberated May 9, 1945 Theresienstadt: liberated May 1, 1945 Treblinka: successful revolt August 2, 1943 Uckermark: liberated April 30, 1045