GATE Questions

---

Most organic compounds contain carbon and hydrogen.

Mercury was the remedy of choice for syphilis in Protestant Europe. Until the early 20th century, the primary treatment for syphilis was mercury, in the form of calomel, ointments, steam baths, pills, and other concoctions.

Mercury was already being used in Western Europe to treat skin diseases.

Nucleic acid is a polymer among the given options.

Refractive Index of glass with respect to water can be calculated by 

(Refractive Index of glass with respect to air) × (1/Refractive Index of water with respect to air)

We know that,

Refractive Index of glass with respect to air = 4/3

Refractive index of water with respect to air = 3/2

Hence, Refractive Index of glass with respect to water = (4/3) x (2/3) = 8/9.

Cognitive psychology is the branch of psychology that studies study internal processes that include perception, attention, language, memory, and thinking.

Cognitive psychology focuses on the way people process information.

Given 

445 of 229.79 = ? of 2398.51

$$\begin{gathered} 245 x 230 = ? x 2400 \\ 24 x 46 = ? x 2400 \\ ? = 46/100 \\ ? = 2350 \end{gathered}$$