The correct answer is B
Metallurgy is the process of:
Which chemical compound is commonly known as Pearl Ash?
Which inert gas is most abundantly found in the atmosphere?
How can a mixture of sand and salt be separated?
Which metal remains liquid at room temperature?
Which base is present in soap?
The common name of hydrogen peroxide is:
Which of the following substances is classified as a carbohydrate?
The percentage of nitrogen in urea is :
The product of the equivalent weight and valency of an element equals its ______.
