9th Chemistry MCQs Sindh Board
On this youtube channel you will learn Ninth Class Chapter No.05. Physical States of matter.Solved chapter with book exercise MCQs With Solved Answers. If you are looking 9th Class sukkur Sindh Board chemistry Chapter Wise Solved MCQs With Answers You are on this channel "Naz Online Academy ". You will learn online here Objective type IX Class chemistry Solved Unit 5 Most Repeated MCQs with Solved part 2.
Questions solved:
The force exerted by gaseous particles per unit area is called?
A. Viscosity
B. Density
C. Rigidity
D. Gas pressure
Pressure = _______
A. Force × Area
B. Force / Area
C. Area / Force
D. None of them
It is used to measure the atmospheric pressure.
A. Barometer
B. Manometer
C. Lactometer
D. Ammeter
The capacity of something to be flattened or reduced in size by pressure is called?
A. Density
B. Mobility
C. Effusion
D. Compressibility
It is degree of compactness or closeness of _______
A. Mobility
D. Density
C. Effusion
D. Diffusion
At constant temperature, according to Boyle's law the volume of a given mass of a gas:
A. Decreases with the increase of pressure
B. Decreases with the decrease of pressure
C. Decreases with the increase of density
D. Decreases with the decrease of density
Mathematical representation of Boyle's Law is:
A. P/V = K
B. PV = K
C. V/T = K
D. VT = K
Zero of absolute temperature scale or Kelvin scale is equal to:
At absolute zero (minus 273C), an ideal gas would have:
A. zero volume
B. Maximum volume
C. Minimum volume
D. None of them
Which one is correct ?
D. None of the above
The boiling point of iiguids depends on the:
A. Temperature in Celsius
B. Temperature in Kelvin
C. External atmospheric pressure
D. volume of the liquid
Evaporation is directly proportional to the:
A. Density
B. Temperature
C. Pressure
D. Volume of the liquid
The process in which molecules escape from the surface of a liquid is called:
A. Effusion
B. Evaporation
C. Boiling
D. Melting
If the surface area is greater than rate of evaporation is:
A. Zero
B. Moderate
C. Lower
D. Higher
The temperature at which vapour pressure of a liquid become equal to atmospheric pressure is called?
A. Evaporation of the liquid
B. Boiling point of the liguid
C. Melting point of the liguid
D. freezing point of the Liquid
The boiling point is directly proportional to:
A. Temperature
B. Density
C. Atmospheric pressure
D. Volume
The temperature at which the vapour pressure of a liquid state becomes equal to the vapour pressure of its solid state is known as:
A. Evaporation of the liquid
B. Boiling point of the liguid
C. Melting point of the liguid
D. freezing point of the Liquid
Density can be expressed as D ..
A. Mass /Volume
B. Volume /Mass
C. Mass × Volume
D. None of these
If we increase temperature, the density of a liquid will:
A. Become zero
B. Decrease
C. Increase
D. None of them
The solids in which molecules are arranged in definite three dimensional geometrical pattern are called:
A. Powder
B. Dense solids
C. Amorphous solids
D. crystalline solids
The solids in which molecules are not arranged in geometrical pattern are called:
A. Powder
B. Dense solids
C. Amorphous solids
D. crystalline solids
Which one of these is NOT an amorphous solid?
A. Sodium chloride
B. Glass
C. Rubber
D. Plastic
Which one of these is a crystalline solids?
A. Rubber
B. Diamond
C. Glass
D. Plastic
The existence of an element in more than one crystalline forms is known as:
A. Isotope
B. Allotropy
C. Radioactivity
D. cosmogenic
Diamond and graphite are the allotropic form of:
A. Sodium
B. sulphur
C. Gold
D. Carbon
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