मराठी

Give Balanced Equation for the Following Conversion Affected by Heat Alone on the Substance: Zinc Nitrate to Nitrogen Dioxide - Chemistry

Advertisements
Advertisements

प्रश्न

Give balanced equation for the following conversion affected by heat alone on the substance:

Zinc nitrate to nitrogen dioxide

एका वाक्यात उत्तर

उत्तर

Action of heat on:

\[\ce{\underset{\text{White}}{2Zn[NO3]2} -> \underset{\text{yellow - hot white - cold}}{2ZnO} + \underset{\text{Nitrogen dioxide}}{4NO2} + O2}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Practical Chemistry - Additional Questions

APPEARS IN

विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 9 Practical Chemistry
Additional Questions | Q 3.6

संबंधित प्रश्‍न

How would you show that setting of curd is a chemical change?


Complete and balance the following chemical equations

Na + H2 O →


Write the missing reactants and products and balance the equations.

\[\ce{KClO3 ->[heat]}\] ___________+ ____________


What do you observe when Iron nail is kept in copper sulphate solution for sometime.


Give reason .

A person suffering from acidity is advised to take an antacid.


FILL IN THE BLANK

On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.


Name the type of chemical reaction shown by the following equation:

Fe + CuSO4 → FeSO4 + Cu


What do you understand by precipitation reaction? Explain with examples.


Give examples of exothermic reactions i.e. heat evolved in each of the following:

(a) reaction between a solid and a liquid
(b) reaction between two gases
Give two examples of exothermic reactions seen in everyday life.


Give a word equation for the following reaction.

An exothermic reaction where both the reactants are gases, one of which is oxygen.


On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.

A coloured substance which leaves on strong heating a black residue and evolves two colourless gases one of which is acidic and the other neutral.


Complete the table given below.

Heat on iodine crystals Colour of vapours evolved  

What kind of a change is associated with decaying of a plants?


What happens when cane sugar is strongly heated? Mention any two changes in it.


Which of the following is not an “element + element → compound” type reaction?


Silver articles turning black: ______:: Boiling of H2O: physical change ______.


Which of the following statement is incorrect for a chemical reaction?


______ occurs in the absence of air and in the presence of micro-organisms such as yeast.


Which is used as a catalyst during the process of hydrogenation of oils?


Both CO2 and H2 gases are ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×