Chemistry Test-...

Maximum number of electrons in an orbit of an atom is determined by:

(n = Orbit Number)

The half-cell potentials for the metallic elements \(\mathrm{A}, \mathrm{B}, \mathrm{C}\) and \(\mathrm{D}\) are \(0.8 \mathrm{~V},-0.74 \mathrm{~V}, 1.1 \mathrm{~V}\) and \(+0.34 \mathrm{~V}\), respectively. Arrange these in the order of decreasing metallic character:

Faraday constant:

A radioactive sample contains \(10^{-3} kg\) each of two nuclear species \(A\) and \(B\) with half life \(4\) days and \(8\) days, respectively. The ratio of the amounts of \(A\) and \(B\) after period of \(16\) days is:

A secondary amine is:

Rate of production of \(\text{NO}_2\) is ___________ whennitric oxide reacts with ozone in the stratosphere.

Which of the following antibiotics is used to cure typhoid?

A liquid that scatters a beam of light, but leaves no residue when passed through filter paper is a/an:

The following reaction is an example of a:

\(4 \mathrm{NH_{3}(g)+5 \mathrm{O}_{2}(g) \rightarrow 4 \mathrm{NO}(g)+6 \mathrm{H}_{2} \mathrm{O}(g)}\)

A polyamide synthetic polymer prepared by prolonged heating of caprolactum, is: