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प्रश्न
One of the following substances is not added to make denatured alcohol. This is:
(a) methyl alcohol
(b) copper sulphate
(c) chloroform
(d) pyridine
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उत्तर
chloroform
Chloroform is not an ingredient for manufacturing denatured alcohol. For denaturation of alcohol, methyl alcohol, copper sulphate and pyridine are used.
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संबंधित प्रश्न
How can ethanol and ethanoic acid be differentiated on the basis of their physical properties?
Name the hydrocarbon formed when ethanol is heated with conc. H2SO4 at 170°C? What is this reaction known as?
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.
The usual disease caused by the excessive drinking of alcohol over a long period of time is:
(a) diabetes
(b) cataract
(c) cirrhosis
(d) arthritis
How do the boiling point and melting point change in the homologous series of alcohols?
How is the absolute alcohol obtained?
Name the addition product formed between ethene and water.
The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.
State how the following conversion can be carried out:
Ethene to ethyl alcohol
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
Dehydration of ethanol by conc. Sulphuric acid forms ______
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Ethanol is also known as which of these?
Look at below figure and answer the following questions.
- What change would you observe in the calcium hydroxide solution taken in tube B?
- Write the reaction involved in test tubes A and B respectively.
- If ethanol is given instead of ethanoic acid, would you expect the same change?
- How can a solution of lime water be prepared in the laboratory?
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:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
