WorksheetsMATTER IN OUR SURROUNDINGS
Total questions: 10
Worksheet time: 5mins
The substances which occupy some space and having some mass called
Particles
Impure substance
Ions
Matter
What will be the impact on the density of matter if we heat or decreases the pressure of the matter?
Increase
Decrease
First increase then decreases
First decreases then increase
None of the above
In which state of matter , process of diffusion is fastest?
Liquids
Gases
Solids
Semi - solids
A few substances are arranged in the increasing order of 'forces of attraction'between their particles.Which one of the following represents a correct arrangement?
Water,air,wind
Air,sugar,oil
Oxygen,water,sugar
Sugar,juice,air
when 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be
blue
green
yellow
purple pink
Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.
The water level increases appreciably
The water level decreases
The water level remains the same
There is little increase in water level.
Particles of matter having space between them is called
Interstitial space
Intermolecular space
Vacant space
None of the above
which of the following is matter
air
stone
cloud
all of them
the 'panch tatva' or five basic elements are air,water,fire,earth and ___________?
trees
animals
sky
moon
what is the chemical formula of potassium permanganate
PPM
KMn
KMnO
KMnO4
