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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.
That are the reactions in molisch tesr?
Molisch test is a qualitative chemical test used to detect the presence of carbohydrates. The reaction involves the reaction between the carbohydrate and concentrated sulfuric acid, resulting in the formation of a violet or purple color. This color change is due to the dehydration of the carbohydrate and the subsequent formation of furfural compounds.
What is the purpose of aqua regia?
Aqua regia is a highly corrosive mixture of nitric acid and hydrochloric acid. Its purpose is to dissolve noble metals like gold, platinum, and palladium, which are resistant to other acids. Aqua regia is commonly used in the purification and extraction of these metals.
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.
When polymers are built the process is called dehydration reaction . Why is the word dehydration used?
Many polymer are formed by the elimination of a water molecule when two monomers bond, thus it is referred to as dehydration.
Is concentrated hydrochloric acid a suitable acid for alcohol dehydration?
Yes, concentrated hydrochloric acid can be used for alcohol dehydration reactions. It can act as a dehydrating agent by removing water molecules from alcohols, leading to the formation of alkene products. However, caution must be taken when working with concentrated hydrochloric acid due to its corrosive nature and potential hazards.
What is the acid used by goldsmiths for cleaning gold and silver ornaments?
its concentrated sulphuric acid
Which acid is used in manufacturing of dynamite?
A concentrated sulfuric acid and a concentrated nitric acid are both used in production of a nitroglycerine, which is an active ingredient of a dynamite.
What is the different between a diltue acid and a concentrated acid?
An acid when mixed with a neutral liquid (most often distilled water is used) is called its dilute form. Conversely if an acid is in its natural form, it's called its concentrated form.
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.
What is the colour of concentrated nitric acid?
The nitric acid used in laboratory is colorless. The very concentated nitric acid - the fumans acid - with dissolved nitrogen oxides, can release white, red or brown fumes, very corrosive and toxic.
What is concentrated hydrochloric acid in?
Concentrated hydrochloric acid is a solution of hydrogen chloride gas (HCl) dissolved in water. It is a strong, highly corrosive acid commonly used in industry and laboratories for various applications, such as cleaning metals, pH adjustment, and chemical synthesis.
Sodium formate is heated with conc sulphuric acid?
When sodium formate is heated with concentrated sulfuric acid, it undergoes dehydration to form sodium oxalate and water. This reaction typically occurs at elevated temperatures and can be used as a method for preparing sodium oxalate.
What happens when oxalic acid reacts with sulphuric acid?
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Is acetic acid reactive?
Depends on the concentration of the acid itself. Diluted acetic acid: Vinegar, is used in foods and you could drink it.But concentrated acetic acid can be corrosive.
What happens when concentrated sulphuric acid is heated with oxalic acid?
When concentrated sulfuric acid is heated with oxalic acid, oxidation of oxalic acid takes place, giving off carbon dioxide gas and water as byproducts. This reaction can be used to generate carbon dioxide for various applications.
Does phyllite react to acid?
acid treatment of the phyllite V destroys the clay structure when moderately concentrated solutions of hydrochloric acid are used at high temperature .
