List of practice Questions

For security reasons, a bank manager decided to encrypt the account number in the server. If A/C No. 46873 is coded as 91317157, then 52191 is coded as:
If DENMARK is coded as FCPKCPM, then code SINGAPORE of which option?
If the word IMPACT is coded as RNKZXG, then which of the following represents the code for the word DESCEND?
Directions: Choose the word which is not like the other words in the group. Apple, Lotus, Rose, Lily

The effect of addition of helium gas to the following reaction in equilibrium state, is : \(PCl _5( g ) \rightleftharpoons PCl _3( g )+ Cl _2( g )\)

The area of region bounded by the curve y2=x, the y-axis and between y = 2 and y = 4 is
Use any one of the following pairs of words in your own sentences to make the difference in their meanings clear: Stationary — Stationery
Arrange the following in increasing order of ionic radii: \( C^{4-}, N^{3-}, F^{-}, O^{2-} \).
The product(s) formed when diborane (\( B_2H_6 \)) is hydrolyzed is/are:
An element X has a body-centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g cm\(^{-3}\). The number of atoms present in 300g of the element X is:
Given: Avogadro Constant, \( N_A = 6.0 \times 10^{23} \) mol\(^{-1} \).
The rate law for a reaction between the substances A and B is given by: \[ {Rate} = k[A]^m[B]^n \] On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be:
In Clemmensen reduction, carbonyl compounds are treated with:

Values of dissociation constant \( K_a \) are given as follows: 
 

Correct order of increasing base strength of the conjugate bases \( {CN}^-, {F}^- \) and \( {NO}_2^- \) is: 
 

The geometry and magnetic behaviour of the complex \([Ni(CO)_4]\) are:

The major product of the following reaction is: 

What is ‘a contract of marriage which may be dissolved by the wife under a power delegated to her’ called under the Muslim Law?
Section 13(1) of the Hindu Marriage Act, 1955 provides for the following: i. Grounds for restitution of conjugal rights ii. Grounds for judicial separation iii. Grounds for divorce

Let R be the focus of the parabola y2 = 20x and the line y=mx+c intersect the parabola at two points Pand Q. Let the point G(10,10) be the centroid of the triangle PQR. If c-m=6, then (PQ)2 is

In a reaction, the threshold energy is equal to:
Which property of white phosphorus is common to red phosphorus?
\( XeO_4 \) molecule is tetrahedral having:
What is the correct order of reactivity of alcohols in the following reaction?
$$ R - OH + HCl \rightarrow R - Cl + H_2O $$ 
The Allyl cyanide molecule contains:

For the below-given cyclic hemiacetal (X), the correct pyranose structure is: 
 

In which case does the change in entropy (\( \Delta S \)) become negative?