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प्रश्न
______ react with dil. HNO3 to evolve hydrogen gas.
पर्याय
Iron and copper
Manganese and magnesium
Zinc and manganese
Aluminium and magnesium
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उत्तर
Manganese and magnesium react with dil. HNO3 to evolve hydrogen gas.
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संबंधित प्रश्न
Give the structural formula of Ethanol
The catalyst used in the contact process is ______.
Draw the structure for the following compound:
Butanal
What would be observed on adding a 5% alkaline potassium permanganate solution drop by drop to some warm ethanol in a test-tube? Write the name of the compound formed during the chemical reaction. Also write chemical equation of the reaction which takes place.
Write name and formula of hydrocarbon containing a single bond (one example). Give one characteristic chemical property.
State the method of preparation of ethanol by hydrolysis of ethyl bromide.
How is ethanol prepared by fermentation?
How is the spurious alcohol obtained?
Identify the functional group of the HCHO ?
What is meant by a functional group in carbon compounds?
Write a chemical reaction to show the dehydration of ethanol.
Ethanol can be converted to ethene which can be changed to ethane.
Choose the correct word or phrase from the options given below to complete the following sentences:
The conversion of ethanol to ehane is an example of_________(dehydration, dehydrogenation)
Write a balanced chemical equation for the following:
Ethanol under high pressure and low temperature is treated with acidified potassium dichoromate.
Give the structural formula of the following:
Ethanoic acid
State how the following conversion can be carried out:
Ethyl alcohol to ethene.
C2H5OH + 3O2 → 2CO2 + 3H2O is a ______
What is denatured alcohol?
Ethene is formed when ethanol at 443 K is heated with excess of concentrated sulphuric acid. What is the role of sulphuric acid in this reaction? Write the balanced chemical equation of this reaction.
What is the role of concentrated Sulphuric acid when it is heated with Ethanol at 443 K. Give the reaction involved.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
