Advertisements
Advertisements
प्रश्न
What do you observe? When
Lead nitrate is heated.
Advertisements
उत्तर
Lead nitrate decomposes on heating, leaving a yellow residue of lead monoxide, and brown nitrogen dioxide and colourless oxygen gases are evolved.
APPEARS IN
संबंधित प्रश्न
State the effect of an exothermic reaction on the surroundings.
FILL IN THE BLANK
In a................ reaction heat energy is absorbed.
Name a carbonate which do not decompose on heating.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
Explain the term energy changes in a chemical change or reaction.
Give an example with a balanced equation, of the following reaction:
endothermic reaction
Complete the statement by filling in the blank with the correct word:
The reaction of hydrogen burning in oxygen to give a neutral liquid is an example of ________ reaction.
Differentiate between the following:
Electrolytic decomposition and photochemical decomposition.
Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
