Advertisements
Advertisements
Question
Which one of the following element name is not derived from planet?
Options
Plutonium
Neptunium
Uranium
Mercury
Advertisements
Solution
Mercury
APPEARS IN
RELATED QUESTIONS
What happens to water if it is heated and Explain the phenomenon of change of state of water.
Fill in the blank:
The process in which a solid directly changes into a gas is called ....................
What do you observe when a gas jar which appears empty is inverted over a gas jar containing Bromine vapours? Name the phenomenon.
Give reason:
A red ink drop added to small amount of water in a glass turns water red in some time.
Name the phenomenon which cause the following change:
Disappearance of camphor.
Write whether the following statement are true or false.
Solids have the largest inter-molecular space.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free surfaces.
State in which of the three states of matter:
The force of attraction between the particles is very weak.
Give a reason why –
Liquids have a definite volume but no definite shape.
A crystal of iodine is placed in a closed flat bottom flask and heated. State how you would conclude from the observations seen, that interparticle space is minimum in solids and maximum in gases.
