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Recent questions in Liquids, solids and phase change
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SAT
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Chemistry
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Liquids, solids and phase change
In case of water and glass, we get a concave meniscus because the adhesive force between water and glass are _______________ than the cohesive forces between water molecules.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
by
meena.p
1
answer
The molar heat of fusion (kJ/mol) of water is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
by
meena.p
1
answer
The melting point of mercury is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
by
meena.p
1
answer
Select the incorrect statement from the following option.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
The purity of compound is confirmed by
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
Which of the following is an application of surface tension?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
On increasing the temperature, the surface tension of the liquid
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
Select the incorrect statement from the following option.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
Shapes of drops of liquid are spherical because of
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
Select the incorrect statement from the following option.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
According to Newton's law of viscosity, the maximum velocity of flow is at
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
The boiling point and molar heat of vaporisation is dependent on
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
For a given substance, choose the correct statement.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
by
meena.p
1
answer
The quadratic equation for the graph is
sat
math
quadratic-equations
asked
Aug 2, 2018
by
meena.p
1
answer
The surface tension of water at $25^{\circ}\;C$ is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
The unit of surface tension in CGS system is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
Which of the following will vaporize faster ?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
How aniline and chloroform can be separated?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
The process of heating a liquid mixture to form vapours and then cooling the vapours to get pure component is called
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
2
answers
The temperature at which solid and liquid coexist in equilibrium is called
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
At 1 atm pressure, the boiling point of water is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
Select the incorrect statement from the following options.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
The molar heat of vaporisation $(\Delta \;H_{vap})$ for water is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
by
meena.p
1
answer
A 1.50 gram sample of urea is dissolved in 105.0 gram of water and produces a solution that boils at $100.12^{\circ}C$ . From these data , what is the molecular mass of urea?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
How many grams of $NaOH$ are dissolved in 200. milliliters of solution if its concentration is $1.50\;M$
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
How many grams of NaCl are needed to prepare 200 gram of a 10 % salt solution ?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
How much heat is needed to change 100.0 gram of ice at $273\;K$ to steam at $373\;K$?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
The normal boiling point of a liquid is the temperature at which it boils when the external pressure is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
The boiling point of a liquid is the temperature at which the vapour pressure
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
On increasing the temperature of a liquid, its vapour pressure
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
Which of the following correctly states how the viscosities of a liquid and a gas will change with temperature?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
The viscous force the relative motion between the adjacent layers of a fluid in motion. Which one of the flowing fits best in the sentence?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
Water flows between two plates of which the upper one is stationary and the lower one is moving with a velocity V. What will be the velocity of the fluid in contact with the upper plate?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 1, 2018
by
meena.p
1
answer
Hydrogen diffuses six times faster than gas A The molar mass of gas A is
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
In the equation of state of an ideal gas PV = n RT, the value of the universal gas constant would depend only on
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
In order to increase the volume of a gas by 10%, the pressure of the gas should be
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
If a gas expands at constant temperature, it indicates that:
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
How large a balloon could you fill with $4\;g$ of He gas at $22^{\circ}C$ and 720 mm of Hg?
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
A gas occupies one litre under atmospheric pressure. What will be the volume of the same amount of gas under 750 mm of Hg at the same temperature?
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
Which sample demonstrates particles arranged in a regular geometric pattern?
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
The amount of energy needed to change a substance from a solid phase to a liquid phase is __________ .
sat
chemistry
liquids-solids-and-phase-change
asked
Jul 31, 2018
by
meena.p
1
answer
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