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If the Avogadro number $N_A$, is changed from $6.022 \times 10^{23} \text{ mol}^{-1}$ to $6.022 \times 10^{20} \text{ mol}^{-1}$ this would change:
DNA precipitation out of a mixture of biomolecules can be achieved by treatment with
Which of the following pairs of ions are isoelectronic and isostructural?
Which of the following species has a linear shape?
Which of the following molecules represents the order of hybridisation $sp^2, sp^2, sp, sp$ from left to right atoms?
The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic mass $16$ is:
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
A short electric dipole has a dipole moment of $16 \times 10^{-9} C m$. The electric potential due to the dipole at a point at a distance of $0.6 m$ from the centre of the dipole, situated on a line making an angle of $60^{\circ}$ with the dipole axis is : ($\frac{1}{4\pi \epsilon_0} = 9 \times 10^9 N m^2/C^2$)
An electron-deficient compound among the following is:
Dimensions of stress are :
Which of the following is a polar molecule?
An iron rod of susceptibility 599 is subjected to a magnetising field of $1200 A m^{-1}$. The permeability of the material of the rod is : ($\mu_0 = 4\pi \times 10^{-7} T m A^{-1}$)
Identify the incorrect statement among the following:
Which of the following species contains three bond pairs and one lone pair around the central atom?
Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL, respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?
The potential energy (y) curve for $H_{2}$ formation as a function of internuclear distance (x) of the $H$ atoms is shown below. The bond energy of $H_{2}$ is:
The total number of $\pi$-bond electrons in the following structure is:
A molecule/ion among the following species that does not exist under normal conditions is:
A spring is stretched by 5 cm by a force 10 N. The time period of the oscillations when a mass of 2 kg is suspended by it is
Given below are two statements: Statement I: In eukaryotes, there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelle. Statement II: All the three RNA polymerases in eukaryotic nucleus have different roles. In the light of the above statements, choose the correct answer from the options given below: