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Can concentrated nitric acid be used in flame test instead of concentrated hydrochloric acid?
Cleaning of the test wire (platinum or nickel-chromium alloy) may by realized with nitric acid or hydrochloric acid.Rinsing is made with demineralized water.
How to test the presence of the reaction of zinc and hydrochloric acid?
Place a zinc strip in a clean test tube and add dilute hydrochloric acid. The strip dissolves and the result is a colorless solution. The products are zinc chloride and gaseous hydrogen.
What chemical test identifies shell and compact limestone?
The chemical test that identifies shell and compact limestone is the hydrochloric acid (HCl) test. When hydrochloric acid is applied to limestone, it reacts with calcium carbonate (the main component of limestone) to produce carbon dioxide gas, which is observed as effervescence or bubbling. This reaction confirms the presence of limestone or its components.
What happens to the surface of a minerals if the acid test is positive?
It should bubble.
What is Lucas reagent?
This is a mixture of concentrated hydrochloric acid and anhydrous zinc chloride (which acts as a catalyst). To prepare, mix 136.29 g of anhydrous zinc chloride (ZnCl2) with 105 g of concentrated hydrochloric acid (HCl). Place beaker in an ice bath, due to the exothermic reaction. Stir with a glass rod until all ZnCl2 is dissolved.
Why can't sulfuric acid be used instead of hydrochloric acid in sulphate test?
Using sulfuric acid in place of hydrochloric acid for a sulfate test can produce inaccurate results due to the formation of insoluble precipitates with some sulfates. This can interfere with the detection of sulfate ions in the test solution. Hydrochloric acid is preferred as it reduces the likelihood of forming these precipitates, ensuring a more reliable sulfate test.
How do you test hydrochloric acid and magnesium metal?
you put the hydrochloric acid in a test tube then you put the magnesium metal in the test tube with the hydrochloric acid in it then you put a cork on the top ofthe test tube and watch it fizz.
What happens when a piece of Mg ribbon is place in a test tube with Hydrochloric acid and cover the mouth of the test tube?
Metal + Acid --> Salt + Hydrogen Gas. As a result, the end product of this reaction is magnesium chloride and hydrogen gas. Covering the mouth of the test tube simply prevents the hydrogen gas from escaping, and allows you to test for its presence by using a lighted splint.
What will happened if Hydrochloric acid is used instead of sulfuric acid in molisch test?
Using hydrochloric acid instead of sulfuric acid in the Molisch test would yield a different result. Hydrochloric acid does not have the same dehydrating properties as sulfuric acid, so it would not lead to the formation of a purple ring with carbohydrates. The Molisch test relies on the dehydrating ability of sulfuric acid to break down carbohydrates into simpler compounds, which then react with alpha-naphthol to produce the purple ring.
Can concentrated nitric acid be used in flame test instead of concentrated hydrochloric acid?
Cleaning of the test wire (platinum or nickel-chromium alloy) may by realized with nitric acid or hydrochloric acid.Rinsing is made with demineralized water.
Is hydrochloric acid flame test color?
Hydrochloric acid itself does not produce a distinct flame color when burned. However, some metal chlorides formed from the reaction of hydrochloric acid with metals can produce colored flames when burned.
What is the best way to create hydrogen?
Mix Hydrochloric acid with strips of magnesium and catch the resulting gas using a balloon over a test tube
Do hydrochloric acid and silver react?
Silver does not react with hydrochloric acid.
A strip of zinc is dropped into a test tube of hydrochloric acid?
an exothermic reaction
Which acid you need to use for gold test hydrochloric acid and sulfuric acid?
Hydrochloric acid is typically used for testing gold because it can help dissolve other metals that might be present along with the gold. Sulfuric acid, on the other hand, is not commonly used for testing gold and may not be as effective as hydrochloric acid.
How can you identify hydrochloric acid sulphuric acid nitric acid without doing any chemical test?
You can't. At the very least, you must test the pH of each as they are slightly different.
How would you distinguish Sulphuric acid from Nitric acid and Hydrochloric acid by a chemical test?
To distinguish between Sulphuric acid, Nitric acid, and Hydrochloric acid, you can perform a simple red litmus test: Sulphuric acid turns blue litmus paper red, Nitric acid bleaches red litmus paper, and Hydrochloric acid does not affect the color of red litmus paper. This test is based on their acidic properties and reactions with litmus paper.
