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प्रश्न
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
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उत्तर
Action of heat on:
\[\ce{\underset{\text{[blue]}}{2Cu[NO3]2} ->[\triangle]\underset{\text{[black]}}{2CuO} +\underset{\text{Nitrogen dioxide}}{4NO2} + O2}\]
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Which one of the following alters the rate of the chemical reaction without itself undergoing any change?
- temperature and Pressure
- concentration of reactants
- presence of catalyst
- none of these
FILL IN THE BLANK
Negatively charged ions are called ..........
Fill in the blank:
In some chemical reactions an insoluble ________ is formed when two solutions are mixed.
Name the type of chemical reaction shown by the following equation:
NaOH + HCl → NaCl + H2O
Write your observation and a balanced equation in the case of the following substances being heated.
Ammonium dichromate.
The chemical change is ______.
Silver articles turning black: ______:: Boiling of H2O: physical change ______.
Which of the following statement is incorrect for a chemical reaction?
Define the following term:
Chemical change
