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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
Write the name and structural formula of the compound obtained when ethanol is heated at 443 K with excess of conc. H2SO4. Also write chemical equation for the reaction stating the role of conc. H2SO4 in it.
............ is a functional group of the alcohol.
Draw the structure for the following compound:
Butanal
Complete the following equation:
\[\ce{CH3CH2OH ->[Conc{.} H2SO4][170^\circ C]}\]
Why is ethanol used as a fuel?
How would you convert:
Ethanol into ethene.
Name the process in the given case and write the equations of the reactions involved.
Write name and formula of hydrocarbon containing a single bond (one example). Give one characteristic chemical property.
One of the following substances is not added to make denatured alcohol. This is:
(a) methyl alcohol
(b) copper sulphate
(c) chloroform
(d) pyridine
In a tabular form, differentiate between ethanol and ethanoic acid under the following heads:
(i) Physical state
(ii) Taste
(iii) NaHCO3 test
(iv) Ester test
Write a chemical reaction to show the dehydration of ethanol.
Write the equations of chlorination of ethane
Name the following:
100% ethanol
Name an organic compound which is dehydrated to produce ethene.
Write the equation for the following lab preparation:
Methanol from iodomethane.
The organic compound obtained as the end product of the fermentation of a sugar solution is ______.
State how the following conversion can be carried out:
Ethyl alcohol to ethene.
How is ethanol manufactured from sugarcane?
A gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.
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.
