Solution : When $x=0,y=2$ hence the y intercept is 2 . Since its x coordinates are 1 and 3 when $x=...

Solution : $g(-4)=16=a(-4)^2+10$=> $16a+10=16$$16a=6=>a=\large\frac{6}{16}=\frac{3}{8}$$g(4)=\...

Solution : The reaction represents a neutralization reaction in which base $(NaOH)$ reacts with an a...

Solution : A decomposition reaction is a type of chemical reaction in which a single compound breaks...

Solution : A combination reaction (also known as a synthesis reaction) is a reaction where two or mo...

Solution : Copper is less reactive than zinc, hence no reaction takes place.

Solution : Lead is more reactive than copper.Hence, when a strip of lead is placed in a solution of ...

Solution : When carbon dioxide is passed through lime water for a short time,it turns lime water mil...

Solution : Silver chloride (white) on exposure to sunlight for sometime becomes grey. This is due to...

Solution : https://clay6.com/mpaimg/sat55.jpgFerrous sulphate crystals contain water molecules $(FeS...

Solution : The reaction in which two compound exchange their ions to form two new compounds is calle...

Solution : (a) combination reaction

Solution : Mole fraction of $NaCl = \large\frac{(9/58.5)}{[9/58.5 + 9/18] }$$= 0.23.$

Solution : Mass of sodium chloride $= 10 \times 25/100 = 2.5 grams,$=> moles of sodium chloride $...

Solution : $w_{solute} = 0.051$Molar mass of Potassium chloride = 74.55 g/mole.Molar mass of Potassi...

Solution : Using the moles fraction to mass fraction relationship,$wsolute = \large\frac{x_{solute} ...

Solution : Molarity, molality, and normality are all units of concentration in chemistry. Molarity (...

Solution : Molality = Moles of NaOH / 50 grams of solventMoles of NaOH = Mass in grams/Molar Mass of...

Solution : $f(5)=10(5)-2a=50-2a$$f(10)=10(10)-2a=100-2a$$\therefore 50-2a+100-2a=55$=> $150-4a=25...

Solution : $(a)\;x=\alpha$

Solution : $y=a(x=h)^2+k$, the vertex is $(h,k)$Similarly $y=\large\frac{-1}{3}$$(x-1)^2+4$$h=1$ and...

Solution : $\large\frac{1}{\alpha}+\frac{1}{\beta}=\frac{\alpha+\beta}{\alpha \beta}$$25x^2-20x+1=0$...

Solution : For repeated root $b^2-4ac=0$=> $16-4p=0$=> $4p=16$=> $p=4$

Solution : $x-x^2+2-2x=-4$=> $-x^2-x+6=0$or $x^2+x-6=0$=> $(x+3)(x-2)=0$=> $x=-3$ and $x=2$...

Solution : $(2x+3)^2-4=f(g(x))$$4x^2+12x+9-4=4x^2+12x+5$

Solution : The solution which is obtained after filtration is clear solution. The solution is filter...

Solution : The solution of impure compound and solvent is concentrated to get a saturated solution. ...

Solution : The impure compound is sparingly soluble in a solvent at room temperature but appreciably...

Solution : The transformation of solid to liquid is called melting and the reverse process is called...

Solution : The molar heat of vaporisation $(\Delta H_{vap})$ for water is 40.79 kJ/mol. Vapor pressu...

Solution : In a cubic lattice, each edge is shared by four adjacent cubes. Hence, the octahedral voi...

Solution : Tetrahedral voids are formed when triangular voids of one close-packed layer do not overl...

Solution : Molarity of a solution (M) = n/VWhere:n = number of moles of urea = 120/60 = 2 molV = vol...

Solution : The relation between Molarity, M and mass percent (%) is given by:$M = \large\frac{(\% x ...

Solution : Molality = moles of solute / kilograms of solventMoles of Oxalic acid = Grams of oxalic A...

Solution :Molarity, M = 0.540Volume in liters = 155 / 1000 = 0.155 litersNumber of moles of HCl pre...

Solution : Coordination number of a crystal structure is the number of particles with which a given...

Solution : : In FCC unit cell, the atoms at face diagonal touch each other; thus diagonal is four ti...

Solution : Void fraction = 1 − packing efficiency Packing efficiency for FCC lattice is 0.74 and hen

Solution : Consider the top and bottom layers. One-sixth of each of the 12(=6×2) atoms located at th

Solution : Temperature will affect the volume of solution. Hence the expression for concentration th...

Solution : Molarity of a mixture , Mmix" role="presentation" style="position: relative;">MmixMmix...

Solution : Since density of solid is greater than that of liquid, this means that weight of the soli...

Solution : Molar concentration = (32/64)/0.5 = 1 mole/liter.

Solution : Moles of calcium = 10/40 =0.25, => concentration in ppm $= (0.25/1000) \times 106 = 25...

Solution : Concentration is moles per unit volume or mass per unit volume, so $N/m^3$ cannot be a un...

Solution : Mass of sodium $= 4 \times 23 = 92 g,$ mass of hydrogen chloride = 8*36.5 = 292 g, => ...

Solution : Number of moles = number of atoms/Avogadro’s number,=> 1.5=n/6.022×1023,=&a

Solution : heat required for phase transitions is latent heat.

Solution : Mass of sodium chloride $= 10 \times 25/100 = 2.5 grams,$=> moles of sodium chloride $...