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WorksheetsMATTER IN OUR SURROUNDINGS
Total questions: 25
Worksheet time: 9mins
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
(i) Increasing pressure on hydrogen contained in a closed container
(ii) Some hydrogen gas leaking out of the container
(iii) Increasing the volume of the container of hydrogen gas
(iv) Adding more hydrogen gas to the container without increasing the volume of the container
(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is
Krypton
Kerosene
Carbon steel
Carbon dioxide
When water at 0°C freezes to form ice at the same temperature of 0°C, then it:
Absorbs some heat
Neither absorbs nor releases heat
Absorbs exactly 3.34 x 105J/kg of heat
Releases some heat
Which one of the following set of phenomena would increase on raising the temperature?
Diffusion, evaporation, compression of gases
Evaporation, diffusion, expansion of gases
Evaporation, compression of gases, solubility
Evaporation, solubility, diffusion, compression of gases
On converting 308 K, 329 K and 391 K to Celsius scale, the correct sequence of temperatures will be:
35°C, 56°C and 118°C
33°C, 56°C and 118°C
35°C, 56°C and 119°C
56°, 119°C and 35° C
Which of the following phenomena always results in the cooling effect?
Condensation
Evaporation
Sublimation
None of these
Which of the following cannot be considered a form of matter?
Atom
Water
Humidity
Electron
On converting 25°C, 38°C and 66°C to kelvin scale, the correct sequence of temperature will be
298 K, 311 K and 339 K
298 K, 300 K and 338 K
273 K, 278 K and 543 K
none of these
CO2 can be easily liquified and even solidified because
It has weak forces of attraction
It has more inter molecular space
It has comparatively more force of attraction than other gases
It is present in atmosphere.
Bose-Einstein Condensate have
Low kinetic energy
High kinetic energy.
Highest kinetic energy.
Very low kinetic energy
Which of the following does not affect rate of evaporation?
Wind speed
Surface area
Temperature
Insoluble heavy impurities
Particles of matter possess _______.
potential energy
both b and c
heat energy
kinetic energy
Intermixing of particles of matter on their own is known as
Diffusion
Evaporation
Condensation
Transpiration
Heat required to convert solid into liquid is
Boiling point of solid
Boiling point of liquid
Latent heat of fusion
Latent heat of vaporization
Matter is made up of
solid particles
large particles
liquid particles
tiny particles
Inter-molecular forces are strongest in
liquids
solids
plasma
gases
If salt is mixed in water, salt particle disappears because _______
Salt particle get into spaces of water particles
salt particles are extremely small
salt particles are in continuous motion
all of these
Choose the incorrect option
Ice – Fusion – Liquid
Liquid – Evaporation – Gas
Ice – Sublimation- Gas
Liquid – Sublimation – Gas
The S.I unit of temperature is:
Celsius
Fahrenheit
Kelvin
None
Convert 473k into degree Celsius.(type it)
(a)
Which of the following statement is not true regarding the characteristic of matter?
Particles of a matter are randomly moving in all directions.
Kinetic energy of the particles increases with a rise in temperature
Kinetic energy of the particles of all maters remains the same at a particular temperature.
Particles of matter diffuse into each other on their own.
A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following will correctly represent the result.
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.
Shivam visited an LPG unit and found that the gas can be liquified at specific conditions of temperature and pressure. Help him to identify the correct set of conditions.
High temperature and high pressure.
Low temperature and low pressure.
Low temperature and high pressure.
High temperature and low pressure.
The state of matter which consists of super energetic
particles in the form of ionized gases is called
(a) gaseous state
(b) liquid state
(c) Bose-Einstein condensate
(d) plasma state
