Questions

Let amount of milk removed = 2x litre
So, amount of water added = x litre
Now → (165 − 2x)/x = 5/3
x = 45 lit

Sodium chloride:

The solubility rules tell you that all halides are soluble with the exception of those formed with siver, mercury, and lead ions. Since this is not the case here, sodium chloride will be soluble.

Silver nitrate:

It is soluble because all nitrates are soluble, without exception.

Potassium sulfate:

It is soluble because all sulfates are soluble with the exception of those formed with silver, calcium, barium, mercury, lead, and strontium ions.

Copper (II) hydroxyde:

It is insoluble because all hydroxides are insoluble with the exception of those formed with alkali metal ions and barium.

The chemical element gold has an atomic number 79 is present in period 6 and group 11 of the periodic table.

State that you are quite happy with your career progress barring few mistakes that could be avoided. Highlight some of mistakes you committed and how you have rectified them. While answering, you should take all responsibilities for where you are, how you’ve gotten there, where you are going…and you harbor no regrets.

A rift valley is an elongated trough like feature bounded by faults. The term 'garben' is considered synonymous to rift valley.

The color of giraffe's tongue is purple or bluish to prevent it from sunburn as it lives in tropical regions.