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Questions asked by meena.p
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14353
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1
answer selected
Calculate the ml of a 1 M solution of NaCl needed to prepare 100 ml of a 0.2 M solution.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 7, 2018
1
answer
A solution of $NaOH (mw = 40)$ is prepared by dissolving 20 grams of the base in enough water to make one liter of solution. Calculate the molarity of this solution.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 7, 2018
1
answer
What are the disadvantages of using high alkaline water?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 7, 2018
1
answer
With respect to the constituents causing alkalinity in water, which of the following situation never arises?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 7, 2018
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 7, 2018
1
answer
The boiling point and molar heat of vaporisation is dependent on
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 7, 2018
1
answer
The process of distillation is used for the liquids having
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 7, 2018
1
answer
Porcelain pieces are put into the distillation flask to avoid
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
1
answer
State true or false. Alkalinity is a measure of the ability of water to neutralize the acids.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
1
answer
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
1
answer
The molar heat of fusion (kJ/mol) of water is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
1
answer
The melting point of mercury is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 6, 2018
1
answer
If $f(x)=x^3$ then $2f(x+3)+1$ is
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
If $f(x) =2x-3$ and $g(x)=x^2-3x+2$ then $g(f(x))$ is
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
The product of the roots of the equation is $x^2+11x-13=0$
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
The graph of the equation $y= \large\frac{1}{2}$$(x+2)^2$ is
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
A group of elderly citizens chartered a bus for $\$160$. However at the last minute, $8$ of them fell ill and had to miss the trip. As a result, the others had to pay an extra $\$1$ each. How many people went on the trip ?
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
The coordinate of the point of intersection of the graphs with equation $y=x^2-x-18$ and $y=x-3$ are
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
The equation of the quadratic for the given graph is :
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
The equation which is equivalent to $2x^2-2x-24$ is
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
If V is the vertex find the equation of the quadratic given its graph is
sat
math
quadratic-equations
asked
Aug 6, 2018
1
answer
Is it possible to bend a $15\; cm$ length of wire to form the vertices of a right angled triangle with area $30 \;cm^2$?
sat
math
quadratic-equations
asked
Aug 3, 2018
1
answer
Select the incorrect statement from the following option.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
The purity of compound is confirmed by
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
Which of the following is an application of surface tension?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
On increasing the temperature, the surface tension of the liquid
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
Select the incorrect statement from the following option.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
Shapes of drops of liquid are spherical because of
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
Select the incorrect statement from the following option.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
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
1
answer
The boiling point and molar heat of vaporisation is dependent on
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
For a given substance, choose the correct statement.
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 3, 2018
1
answer
Find the equation of the quadratic using the graph given
sat
math
quadratic-equations
asked
Aug 3, 2018
1
answer
Find the equation of the quadratic for the graph given :
sat
math
quadratic-equations
asked
Aug 3, 2018
1
answer
If $y=2x+c$ is a tangent to $y=2x^2-3x+4$, find c
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
The graph for the equation $y=x^2-2x+3$
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
What can be the vertex for the equation $y=3x^2-4x+1$ ?
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
Determine the coordinates of vertex of $y=2x^2-8x+1$
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
The quadratic equation for the graph is
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
The axis of symmetry for the graph is given below is
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
For what value of $k$ does the equation $kx^2+(k+3)x=1$ has two real roots.
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
Solve for x : $(x+1)^2=2x^2-5x+11$
sat
math
quadratic-equations
asked
Aug 2, 2018
1
answer
The surface tension of water at $25^{\circ}\;C$ is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
1
answer
The unit of surface tension in CGS system is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
1
answer
Which of the following will vaporize faster ?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
1
answer
How aniline and chloroform can be separated?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
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
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
1
answer
The purity of compound is confirmed by
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
1
answer
At 1 atm pressure, the boiling point of water is
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 2, 2018
1
answer
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