matter

The arrangement of constituent particles is most ordered in

• Solid state

• liquid state

• gaseous state

• all of these

The arrangement of constituent particles is most ordered in

• Solid state

• liquid state

• gaseous state

• all of these

Which of the following is not a characteristic of matter?

• Matter is made up of extremely small particles

• There is no space between particles of matter

• The particles of matter are continuously moving

• The particles of matter attract each other.

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.

Which of the following is correct order of forces of attraction?

• Water > Air > Sand

• Air > Sugar > Oil

• Air < Water < Sugar

• Salt > Air > Juice

Which of the following will produce severe burns ?

• Cold water

• Hot water

• Boiling water

• Steam

Which of the following is incorrect?

• Solids have fixed shape and fixed volume.

• Liquids have fixed volume but not shape

• Gases have neither fixed shape nor volume

• The particles have least intermolecular space but maximum kinetic energy in liquids.

Ice floats on water because

• it has higher density than water

• it has lower density than water due to more volume

• it is solid

• it is low melting solid

The property to flow is unique to fluids. Which one of the following statements is correct?

• (a) Only gases behave like fluids

• (b) Gases and solids behave like fluids

• (c) Gases and liquids behave like fluids

• (d) Only liquids are fluids

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?

• (a) Water, air, wind

• (b) Air, sugar, oil

• (c) Oxygen, water, sugar

• (d) Salt, juice, air