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
How will you obtain Ammonia from nitrogen.
Also give balanced equations for the reactions
State the effect of an exothermic reaction on the surroundings.
What do you observe when ammonium chloride is dissolved in water.
State the effects of endothermic and exothermic reactions on the surroundings.
State which type of chemical reaction proceeds with evolution of heat energy.
State the following reaction whether heat is evolved or absorbed –
water is added to quicklime
Assertion: A drop of petrol when touched with finger gives a chill feeling.
Reason: The above phenomenon is an endothermic one.
The Dissolution of glucose in water is also an ______ change.
Give examples for the exothermic process.
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.
