Some amount of urea is added to 1000 gm of H2O due to which vapor pressure decreases by 25% of the original vapor pressure. Find out the mass of urea added (Round off to two decimal places)
Matrix A is 2×2 matrix and A2=I, no elements of the matrix are zero, let the sum of diagonal elements is a and det(A)=b, then the value of 3a2+b2 is?
The number of points of non-differentiability of the function f(x) = [4 + 13sinx] in (0, 2𝜋) is ____.
Maximum value n such that (66)! is divisible by 3n
Which of the following slows down the process of setting of the cement?
Sum of first 20 terms: 5, 11, 19, 29, 41
When 2 gm magnesium reasts with excess of HCl and H2 gas is produced then the volume of H2 gas produced is ____ × 10–2 liter at STP. (Nearest Integer)
Match the terms in Column-I with their description in Column-II:
Column-I Column-II (P) N2O5 (i) N–N bond (Q) N2O (ii) N–O–N bond (R) N2O4 (iii) N=N / NN bond (S) NO2 (iv) N=O bond
Oxidation number of Mo in Ammonophosphomolybdate
Number of ambidentate ligands in given complex [M(en)(SCN)4] :
Which of the following slows down the process of setting of the cement ?
The value of log10K for a reaction A ⇋ B is (Given ΔHº298K = –54.67 kJmol–1 ΔSº298K = 10 kJmol–1 and R = 8.314 JK–1mol–1 2.303 × 8.314 × 298 = 5705)
If the radius of ground state hydrogen is 51 pm, find out the radius of 5th orbit of Li2+ ions. (closest integer)
Choose correct graph of electric potential for uniformly charged hollow sphere.
Choose correct graph of resistivity and temperature for semi-conductor material.
Find moment of inertia about axis shown which is equidistant from both spheres
In a container at a constant temperature , arrange the RMS velocity of the following: Ne, Cl2 , UF6
If sin2(10°)sin(20°)sin(40°)sin(50°)sin(70°) \(=α−\frac{1}{16}sin(10^∘),\) then 16 + α–1 is equal to _______