ΔU=nCvdT Where, n is the number of moles Cv is the heat capacity at contant volume dT is the change... View Article
The electronic configuration of phosphorus is: P=1s2 2s2 2p6 3s2 3p3 The hybridization of phosphorus in PCl5 is sp3d, and it... View Article
The smallest positive integer is 0 1 9 100 The correct option is ii. 1
The Prarthana Samaj was founded in 1867 in Bombay by Dr. Atmaram Pandurang.
Dark reaction of photosynthesis occurs in grana matrix cytoplasm stroma The correct option is iv. stroma
Scheduling is done so as to? increase CPU utilization decrease CPU utilization keep the CPU more idle none of these... View Article
The electron affinity values for the halogen show the following trends F<Cl>Br<I F<Cl>Br>I F<Cl<Br<I F>Cl>Br>I The correct option is ii.... View Article
Given: 15(y-4)-2(y-9)+5(y+6)=0 Solution: On multiplying the terms we get 15y-60-2y+18+5y+30=0 Then rearranging the like terms we get 15y -2y+5y= 60... View Article
SbF5 reacts with XeF4 to form an adduct. The shapes of cation and anion in the adduct are respectively square... View Article
Let h be the height. Then h = (h1+h2/2) Hence, the decrease in height in vessel of height h1 is... View Article
Drift velocity of free electrons is defined as the average velocity with which the free electrons get drifted towards the... View Article
The yellow colour of normal urine is due to? uric acid bilirubin urochrome biliverdin The correct option is iii. urochrome
No.of moles of benzoic acid required = 0.15 x 250/1000 = 0.0375 moles Molar mass of benzoic acid = 7(12)+6(1)+2(16)=84+6+32=122... View Article
Kanha National Park is famous for tiger.
\(\begin{array}{l}tan^{-1}x+cot^{-1}x=\frac{\pi }{2},x\epsilon \dot{R}\end{array} \) tan<sup>-1</sup>+cot<sup>-1</sup>x Let tan<sup>-1</sup>x=A tan A=x cor(π/2-A)=x cot<sup>-1</sup>x=π/2-A tan<sup>-1</sup>x+cot<sup>-1</sup>x A+π/2-A π/2
\(\begin{array}{l}\sqrt{2x+9}+x=13\end{array} \) \(\begin{array}{l}\sqrt{2x+9}=13-x\end{array} \) On squaring, we get 2x+9x<sup>2</sup>+169-26x x<sup>2</sup>+160-28x=0 x<sup>2</sup>-20x-8x+160=0 (x-20)(x-8)=0 Therefore, x=20 or x=8 However, x=20 does not... View Article
Temperature is recorded every day the difference between the maximum and minimum temperature for 24 hrs is called the range... View Article
We know that ethers are highly electro-negative. It can form hydrogen-bond with water molecules similar to alcohol. Ethers have oxygen... View Article
Option b) 3 June 1947. The Partition of India was the division of British India into two independent Dominions: India... View Article
Rancidity is a condition in which aerial oxidation of unsaturated fat present in foods and other products takes place, marked... View Article
