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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.
Give two properties of ethanol.
Name the compound formed when ethanol is heated in excess of conc. sulphuric acid at 443 K. Also, write the chemical equation of the reaction stating the role of conc. sulphuric acid in it. What would happen if hydrogen is added to the product of this reaction in the presence of a catalyst such as palladium or nickel?
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.
Write balanced chemical equations for Preparation of ethanol from Ethyl Chloride
Fill in the blanks from the choices given within brackets:
The compound formed when ethanol reacts with sodium is____ (sodium ethanoate, sodium ethoxide, sodium propanoate).
Give one example of the compound having the following functional group:
Alcohol group
State two uses of ethanol (other than as a fuel).
What happens when ethanol is heated with concentrated sulphuric acid at 170°C? Write the equation of the reaction which takes place.
Which of the following can damage optic nerve leading to blindness, if taken internally?
(a) CH3COOH
(b) C2H5OH
(c) NaHCO3
(d) CH3OH
How is ethanol prepared by fermentation?
Give the lab. Prepared of methyl alcohol.
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
how can we prepare ethane by reduction of a halogen compound?
Draw the structures for ethanol.
C2H5OH + 3O2 → 2CO2 + 3H2O is a ______
What is denatured alcohol?
Draw the electron dot structure of ethyne and also draw its structural formula
Give the balanced chemical equation of the following reaction:
Combustion of ethanol
