Chemistry
Grade-6
Easy
Question
Which of the following statements are incorrect?
- Condensation is the process in which solid converts to liquid.
- Melting is the process in which liquid converts to solid.
- Boiling, when liquid converts to gas.
- Freezing, when gas converts to liquid.
Hint:
States of matter are interconvertible and every process has different names.
The correct answer is: Boiling, when liquid converts to gas.
- Condensation is the process of conversion of water vapor in the air to liquid.
- Melting is the process of conversion of solid to liquid.
- Boiling is the process of conversion of liquid to gas.
- Freezing is the process of conversion of liquid to solid.
Related Questions to study
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As pressure increases, the boiling point:
- Increases
- Decreases
- Remains constant
- No change
As pressure increases, the boiling point:
ChemistryGrade-6
- Increases
- Decreases
- Remains constant
- No change
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In the hill stations or mountain areas, atmospheric pressure is ________ than the sea level.
- Lower
- Greater
- Equal
- Constant
In the hill stations or mountain areas, atmospheric pressure is ________ than the sea level.
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- Lower
- Greater
- Equal
- Constant
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If the external pressure is greater than 1atm, the normal boiling point of the liquid is:
- Less than the boiling point
- Greater than the boiling point
- Equal to the boiling point
- Remains constant
If the external pressure is greater than 1atm, the normal boiling point of the liquid is:
ChemistryGrade-6
- Less than the boiling point
- Greater than the boiling point
- Equal to the boiling point
- Remains constant
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The _______ scale is been created based on melting point and boiling point.
- Fahrenheit
- Celsius
- Centigrade
- Degrees
The _______ scale is been created based on melting point and boiling point.
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- Fahrenheit
- Celsius
- Centigrade
- Degrees
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Applying which of the following, during boiling, will cause the temperature of the liquid to surpass the saturation temperature?
- Pressure
- Force
- Saturated
- None of the above
Applying which of the following, during boiling, will cause the temperature of the liquid to surpass the saturation temperature?
ChemistryGrade-6
- Pressure
- Force
- Saturated
- None of the above
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What is a boiling point?
- Physical property
- Physical change
- Chemical change
- Chemical property
What is a boiling point?
ChemistryGrade-6
- Physical property
- Physical change
- Chemical change
- Chemical property
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What is another name for the boiling point of elevation?
- Lowering of vapor pressure
- Elevation in boiling point
- Depression in freezing point
- None of these
What is another name for the boiling point of elevation?
ChemistryGrade-6
- Lowering of vapor pressure
- Elevation in boiling point
- Depression in freezing point
- None of these
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__________oC is the boiling point of sugar?
__________oC is the boiling point of sugar?
ChemistryGrade-6
Chemistry
What is the main factor that affects the boiling point of a substance when a solute is added to it?
- Concentration of solute.
- Concentration of solvent
- Temperature
- Pressure
What is the main factor that affects the boiling point of a substance when a solute is added to it?
ChemistryGrade-6
- Concentration of solute.
- Concentration of solvent
- Temperature
- Pressure
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Changing of liquid to vapor can be observed in the form of _________.
- Spray
- Bubbles
- Buds
- Seeds
Changing of liquid to vapor can be observed in the form of _________.
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- Spray
- Bubbles
- Buds
- Seeds
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If the external pressure = 1atm, the boiling point of liquid is called:
- Melting point
- Boiling point
- Normal boiling point
- Vaporization
If the external pressure = 1atm, the boiling point of liquid is called:
ChemistryGrade-6
- Melting point
- Boiling point
- Normal boiling point
- Vaporization
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Water gets boiled, when the vapor pressure is:
- Equal to the atmospheric pressure.
- Equal to 1atm pressure
- Equal to the melting point
- Equal to the vaporization.
Water gets boiled, when the vapor pressure is:
ChemistryGrade-6
- Equal to the atmospheric pressure.
- Equal to 1atm pressure
- Equal to the melting point
- Equal to the vaporization.
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Boiling point of water at sea level is:
- 202oC
- 221oC
- 212oF
- 212oC
Boiling point of water at sea level is:
ChemistryGrade-6
- 202oC
- 221oC
- 212oF
- 212oC
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The boiling point and vaporization of any liquid substance depends upon:
- Force of attractions between the particles
- Kinetic energy
- Collision forces.
- Shape of the molecule.
The boiling point and vaporization of any liquid substance depends upon:
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- Force of attractions between the particles
- Kinetic energy
- Collision forces.
- Shape of the molecule.
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The boiling point of water at 1atm is:
- 0oC
- 212oF
- 1000C
- Both B and C
The boiling point of water at 1atm is:
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- 0oC
- 212oF
- 1000C
- Both B and C