List of practice Questions

What is Kohlrausch law? Write its applications.
Explain the following: (i) Electrophoresis
(ii) Dialysis
Explain the following: (i) Why is the atomic size of noble gases comparatively larger?
(ii) Being almost equal in electronegativity, Nitrogen forms hydrogen bond while chlorine does not.
Justify with reasons:
[NiCl\(_4\)]\(^{2-}\) is paramagnetic while [Ni(CO)\(_4\)] is diamagnetic, although both are tetrahedral.
Justify with reasons:
[Fe(H\(_2\)O)\(_6\)]\(^{3+}\) is stronger paramagnetic while [Fe(CN)\(_6\)]\(^{3-}\) is weaker paramagnetic.
What are polypeptides? Explain with example.
3.0 g of acetic acid is dissolved in 80 g of benzene. The molality of the solution is
Velocity constant for a first order reaction is \( 2 \times 10^{-3} \, \text{s}^{-1} \). The half-life period for this reaction is
The base not present in DNA is
IUPAC name of CH\(_3\)-CH-CH\(_3\) is
Hinsberg reagent is
An element forms CCP lattice. If the length of its core of unit cell is 408.6 pm, then calculate the density of the element. (Atomic weight = 107.9 u)
The number of atoms in a body centred cubic (bcc) unit cell is

Number of 4-digit numbers that are less than or equal to 2800 and either divisible by 3 or by 11 , is equal to

Meaning of "Abrogate" is:
Choose the best option that indicates the change of voice for the sentence given below:
They sent for a doctor because Pamela had fainted
Antonym for "Spendthrift" is:
Which of the following statements according to the passage is correct:
Which of the following reasons according to the passage provide material comforts to people in case of science?
Select the most appropriate meaning of the underlined idiom in the given sentence:
Off and on, I take a break from my hectic schedule to refresh myself.
I have \(\underline{\hspace{1cm}}\) umbrella. I bought it \(\underline{\hspace{1cm}}\) year ago.
Synonym for "Nonplussed" is
Select the most appropriate preposition to fill in the blank. A baby sister is someone who looks \(\underline{\hspace{1cm}}\) other people's children.
Select the most appropriate preposition to fill in the blank.
We haven't been to Delhi \(\underline{\hspace{1cm}}\) almost five years.
Suppose we have a 10-bit computer that uses 10-bit 2's complement representation. The number representation of -35 is