Chemistry 2017

The type of bonding in the formation CaCI₂ is

The volume occupied by 30cm³ofa gas after its temperature has been raised from 27 to 127°C and its pressure from 760 to 380 mmHg is

Emission of two alpha and two beta particles from ²³⁸₉₀U yields

Which of the following quantum numbers defines main energy level the electron occupies?

The ratio of the relative rates of diffusion of two gases and Y is 1:2. The ratio of the molecular masses of x and y is probably

The structural formula CH₃CH(Cl)CH(OH)CH₃ represents that of

A violet or deep red-brown colour observe when hydroxylamine hydrochloride am sodium hydroxide are added to an organic substance confirms presence

Which of the following is used in the manufacture of glass?

In an electrolytic set up to protect iron from corrosion, the iron is

The characteristic reaction of carbon compounds is