Bank PO Questions

Tetraethyl lead is a highly toxic compound used as a gasoline additive.

Tetraethyl lead abbreviated as TEL, is an organo lead compound with the formula (CH₃CH₂)₄Pb. It is a petro-fuel additive which in turn caused increased vehicle performance. This is also used as an antiknock agent in gasoline and jet fuels. Tetraethyl lead is absorbed rapidly by the skin, the lungs, and the gastrointestinal tract. It is converted to triethyl lead, which might be responsible for its toxicity.

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.

$$\begin{gathered} Given x × y = x + y + xy \\ Here x = 6 , y = 24 \\ Then, \\ x × y = 6 + 24 + 6x24 \\ 6 x 24 = 30 + 144 \\ = 30 + 12 \\ = 42. \end{gathered}$$

Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.

Cronyism is the practice of partiality in awarding jobs and other advantages to friends, family relatives or trusted colleagues, especially in politics and between politicians and supportive organizations.

An operating system has three main functions:

(1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers,

(2) establish a user interface, and

(3) execute and provide services for applications software.