Advertisements
Advertisements
प्रश्न
Write your observation and a balanced equation in the case of the following substances being heated.
Copper nitrate.
Advertisements
उत्तर
Copper nitrate is a blue coloured crystal.
When copper nitrate is heated it loses the water molecule and then when is further heated it decomposes to give reddish-brown gas, nitrogen dioxide, and oxygen.
\[\ce{Cu(NO3)2.3H2O ->[heat] Cu(NO3)2 + 3H2O}\]
\[\ce{2Cu(NO3)2 ->[Heat] 2CuO + 4NO2 + O2}\]
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for the reactions represented by word equations in the conditions for chemical reaction.
Explain by writing a word equation.
Respiration is a chemical change.
Choose the correct option from the bracket and explain the statement giving a reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.
Explain the term reactant and product giving examples.
What do you understand by precipitation reaction? Explain with examples.
Name: Two nitrates that do not produce nitrogen dioxide on heating.
Distinguish by heating the following in dry test tubs.
Copper Sulphate and copper carbonate
When magnesium is burnt in the air, a new substance is formed which is ______.
How would you show that the settling of curd is a chemical change?
What is thermochemical reactions?
