Solution : Heavy oils are used on parts moving with slow speed under heavy loads. All the other opti...

Solution : According to Newton’s law of viscosity, the maximum velocity of flow is at the middle of

Solution : The boiling point and molar heat of vaporisation is dependent on the strength of the inte...

Solution : For a given substance, $\Delta H_{fus}$ is smaller than $\Delta H_{vap}$.

Solution : The x intercept,are -1 and 3$\therefore y=a(x+1)(x-3)$Since it is open downward , a<0$...

Solution : Vertex is $(2,-2)$ the quadratic has the form $y=a(x-2)^2-2$When $x=0,$y=10$10=a(-2)^2-2$...

Solution : $2x+c=2x^2-3x+4$=> $2x^2-5x+(4-c)=0$Since $b^2-4ac=0$ became the graph touch=> $8(4...

Solution : $D=b^2-4ac$$\quad= (-2)^2-4(1)(3)$$\qquad= 8$Hence it does not cut the x axis

Solution : $3(x^2-\large\frac{4}{3}x+\frac{1}{3})$$\qquad= 3[(x-\large\frac{2}{3})^2-\frac{4}{9}+\fr...

Solution : $\large\frac{-b}{2a}=\frac{-(-8)}{2 \times 2}$$=2$Hence the axis of symmetry is $x=2$when...

Solution : When $x=0 ,\;y=-2(1)^2+4$ $\qquad= 2$Hence the y intercept is 2 . Hence option a or b sho...

Solution : The vertex of the graph is $(-1,4)$ whose x coordinate is $ x=-1$, hence the graph is sym...

Solution : For the solution to have real roots$b^2-4ac >0$=>$(k+3)^2-4 \times k \times 1=0$=&g...

Solution : $x^2+2xx+1=2x^2-5x+11$=> $x^2-7+10=0$=> $(x-5)(x-2)=0$=> $x= 5,2$

Solution : The surface tension of water at $25^{\circ}C$ is 72.14 dynes/cm. It is a standard value.

Solution : The unit of surface tension in CGS system is dynes/cm. It is N/m in S.I. system. Surface ...

Solution : Chloroform will vaporize faster than aniline and water. Chloroform is an organic compoun...

Solution : Aniline and chloroform can be separated through distillation process. Aniline is a toxic ...

Solution : The process of heating a liquid mixture to form vapours and then cooling the vapours to ...

Solution : The temperature at which solid and liquid coexist in equilibrium is called melting point ...

Solution : The purity of compound is confirmed by its melting point and boiling point, chromatograp...

Solution : The boiling point of water at 1 atm pressure is $100^{\circ}C$. The boiling point of a li...

Solution : Mercury has strong metallic bonding which is responsible for its high boiling point. All...

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

Solution : $h= \large\frac{-b}{2a}$$\quad= \large\frac{-(-4)}{2 \times 2}$$\quad= 1\;$

Solution : when $x=0,y=12$ hence $y=12$ is the y intercept

Solution : $3x^2+7x+2=0$$x=\large\frac{-7 \pm \sqrt {7^2-4 \times 3 \times 2}}{2 \times 3}$$\qquad =...

Solution : $9x^2-1=(3x+1)(3x-1)$$\qquad= \large\frac{9x^2}{(3x+1)(3x-1)}$$\qquad= \large\frac{(3x+1)...

Solution : $f(g(x))=(6-x)^2-4(6-x)+2$$\qquad= 36-12x+x^2-24+4x+2$$\qquad= x^2-8x+14=0$

Solution : $x= -gt^2+vt^2+h$$g=4.9$v= speed h= starting height given $g= 4.9,v=3m/s,h=10m$$x=-4.9(t)...

Solution : $x(x+2)=35$=> $x^2+2x-35=0$on factoring , $(x+7)(x-5)=0$=> $x=-7\;and\;x=-5$When $x...

Solution : $x= \large\frac{-b}{2a}$$a=-16$$h=60$$\therefore x= \large\frac{-60}{2 \times -16}$$\qqua...

Solution : $y=3x^2=> y^2=9x^2$$3x^2+3 \times 9x^2=240$$3x^2+27x^2=240$$30x^2=240$$x^2=8$

Solution : $(a)\;(x-4)^2-30$

Solution : Because this property is related to the molality , then you must find the number `of gram...

Solution : Because $M= \large\frac{\text{no of moles of solute}}{\text{1 L of solution}}$Solving for...

Solution : 10 % of 200 grams = 20.0 gram of saltYou could also solve the problem using the above for...

Solution : To melt 100 grams of ice at $273\;K$use:$m(mass) \times C(heat\; of\; fusion ) =q(quantit...

Solution : The normal boiling point of a liquid is the temperature at which it boils when the extern...

Solution : The boiling point of a liquid is the temperature at which the vapour pressure is equal t...

Solution : The vapour pressure of a liquid increases with increase in temperature. Vapour pressure o...

Solution : Viscosity of a liquid is due to the cohesion between it’s molecules. With the increase in

Solution : Viscosity is the internal friction of a fluid in motion. It is the property by the virtue...

Solution : According to the No-Slip condition, the relative velocity between the plate and the fluid...

Solution : https://clay6.com/mpaimg/sw2.jpg

Solution : Given second excitation potential $=193.64v$n=2$193.64=13.6 \times \large\frac{z^2}{n^2}$...

Solution : one mole of any gas occupy $22.4$ litres at NTPSo, the number of moles of $O_2$ produced ...

Solution : Given Distance from $N_2O$$D_1=x$Distance from weeping gas$D_2=9-x$Molecular weight of $N...

Solution : From the given half-cell reaction,Here Eq. wt. of $NaBrO_3 $= Mol. wt./6number of electr...

Solution : $\large\frac{r_A}{r_H}=\sqrt{\large\frac{M_{H}}{M_{A}}}$$\qquad= \large\frac{r}{6r}$$\qqu...