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
TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
TRUE \ FALSE
Electrolytic refining is a method in which a thin coating of a metal is done over another metal.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.
Give an example of a reaction where the following are involved
Pressure
What do you observe? When
Sodium chloride solution is added to silver nitrate solution.
Name affects the acidified K2Cr2O7 paper and also turns lime water dirty milky.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Copper nitrate.
What is the use of indicator?
Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings
Write the equation for the process of formation of rust.
