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Questions asked by meena.p
Questions
14353
questions
1
answer selected
If one of the angle of a triangle is $130^{\circ}$, then the angle between the bisectors of the other two angles can be
sat
math
lines-angles-and-triangles
asked
Aug 20, 2018
1
answer
The angles of a triangle are in the ratio $5:3:1$ the triangle is
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
The exterior angle of a triangle is $105^{\circ}$and its two interior opposite angles are equal. Each of the equal angle is
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
If one angle of a triangle is equal to the sum of the other two angles, then the triangle is
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
In the figure given above $AB \parallel CD \parallel EF \parallel $ and $PQ \parallel RS$. $\angle RQD=25^{\circ}$ and $\angle CQP=60^{\circ}$ then $\angle QRS$ is equal to
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
Find the value of $x$ in the figure given below :
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
Two lines $l_1$ and $l_2$ are parallel to each other as shown , find the value of x+y
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
If line $l_1$ is parallel to line $l_2$ , than $x^{\circ}=$
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
In the figure $\overline{AB} \parallel \overline{CD}$ and $\overline{AD}$ bisects $\angle CAB$, what is the measure of $\angle ADC$ ?
sat
math
lines-angles-and-triangles
asked
Aug 17, 2018
1
answer
Glacial acetic acid , pure $HC_2H_2O_2(FW=60.0)$ has concentration of $17.54\;M$ . If $85.5\;mL$ of glacial acetic are diluted to 250 mL. What is the acetic acid concentration ?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What happens when zinc reacts with sodium hydroxide?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
If $0.050\;mL$ of $0.6\;M\;HCl$ is added to 400 mL of $10^{-5}\;M\;HCl$ what is the resulting pH?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What is the color of anhydrous copper sulphate?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Phenolphthalein exhibits which color with an acid?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What happens when carbon dioxide gas reacts with sodium hydroxide?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
How many ml of barium hydroxide is required to neutralize 55 ml of Nitric acid The concentration of the acid is 0.2585 moles/l and the concentration of the base is 0.047 moles / litre.
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What are the products of the following reaction? $H_2SO_4+NaOH$
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What volume of $0.075\; M \;HCl$ is required to neutralize $100\; ml$ of $0.01\; M\; Ca(OH)_2$ solution?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What happens when sodium sulphate solution is mixed with the solution of barium chloride?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
The drying of milk of lime (white washing) is due to the action of ___________.
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Which substance completely dissociates in water?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Neutral solutions have a pH of:
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Which of the following combination reactions contains at least one compound in its reactants?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
The symbol for calcium is Ca, the symbol for sulfur is S, and the symbol for calcium sulfide CaS. Which of the following best describes this chemical reaction: $Ca (s) + S (s) \longrightarrow CaS (s)$?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
A displacement reaction will occur when...
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
What is made when magnesium reacts with hydrochloric acid?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
If $NaOH_{(aq)}$ reacts with $HCl_{(aq)},$ reaction can be known as
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Most metals react with acids to form
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Which of the following does not corrode when exposed to the atmosphere-
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 16, 2018
1
answer
Which can be the equation for the graph given below ?
sat
math
quadratic-equations
asked
Aug 16, 2018
1
answer
$g(x)=ax^2+10$, where a is $a$ constant and $g(-4)=16$. What is the value of $g(4)$?
sat
math
quadratic-equations
asked
Aug 16, 2018
1
answer
In the equation, $NaOH + HNO_3 \longrightarrow NaNO_3 + H_2O$ nitric acid is acting as
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
The reaction $2KClO_{3(s)} \longrightarrow 2KCl_{(s)}+3O_{2(g)}$ is a
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
Which of the following type of chemical reactions results in a single product.
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
What happens when Copper metal is dipped in the solution of zinc sulphate?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
Which metal is displaced when lead is put in the solution of copper chloride?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
What happens when carbon dioxide is passed in lime water?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
What happens when silver chloride is put under sunlight?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
In which of the following category will you put the reaction of heating of ferrous sulphate?
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
The reaction in which two compound exchange their ions to form two new compounds is called
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
The reaction $2Na+Cl_2 \to 2NaCl$ is an example of
sat
chemistry
chemical-reactions-and-thermochemistry
asked
Aug 13, 2018
1
answer
A mixture contains 9 gram each of $H_2O$ and $NaCl,$ what is the mole fraction of NaCl?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 13, 2018
1
answer
A solution has $25\%$ w/w solution of Sodium Chloride in 10 grams of water what is the mole fraction of Sodium Chloride?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 13, 2018
1
answer
The mass fraction of KCl in its aqueous solution is 0.051. What is the mole fraction of sodium chloride in the solution?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 13, 2018
1
answer
The mole fraction of NaCl in water is 0.22. What is its mass percent?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 13, 2018
1
answer
Which of the following choices is characteristic of molality?
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 13, 2018
1
answer
Calculate the molality of a solution of sodium hydroxide which contains 0.2 g of NaOH in 50 grams of the solvent
sat
chemistry
liquids-solids-and-phase-change
asked
Aug 13, 2018
1
answer
Let the function f be defined by $f(x)=10x-2a$, where a is $a$ constant . If $f(5)+f(10)=55$ What is the value of $a$?
sat
math
quadratic-equations
asked
Aug 13, 2018
1
answer
If the graph of a parabola touches the $x$- axis at $\alpha$ then its axis of symmetry is
sat
math
quadratic-equations
asked
Aug 13, 2018
1
answer
The coordinate of the vertex of $y=\large\frac{-1}{3} $$(x-1)^2+4$ is
sat
math
quadratic-equations
asked
Aug 13, 2018
1
answer
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