Advertisements
Advertisements
प्रश्न
Fill in the blank with the correct word of the statement given below:
Ammonium chloride, a sublimable solid undergoes _________ on heating.
Advertisements
उत्तर
Ammonium chloride, a sublimable solid undergoes dissociation on heating.
APPEARS IN
संबंधित प्रश्न
What do you observe when :
solid ammonium chloride is heated
State whether the following is physical or chemical changes.
Boiling of an egg —
What role does energy play in initiating a chemical change ?
Distinguish between the following.
Periodic change and non-periodic change
Give reason.
A dry handkerchief gets wet at once on dipping in water, but it takes longer for a wet handkerchief to dry.
Explain in brief the involvement of energy in physical and chemical changes.
Observe the picture containing a kettle and note that it has salt water in it and answer the following questions:
- What is name of the process that is done to the kettle?
- What will happen to the content of the kettle?
- What kind of change is occurring on the cold surface of the metal plate?
- What can you say about the quality of water that is obtained in the beaker?
The difference between initial state and the final state is called change.
What is the change?
Cut vegetables turn brown when exposed to air, this is due to ______.
