Chemistry
In which subject jabir-ibn-hayyan is known?
Jabir-Ibn-Hayyan is known for his interest in chemistry. He is known as the father of chemistry. readmore Read More →
Which metal comes from bauxite?
Bauxite is an important ore for Aluminum metal. Aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al and its atomic number is 13. Read More →
Which Topaz is made up of a single elements?
Diamond Topaz is made up of a Single Elements. Diamond has remarkable optical characteristics. Because of its extremely rigid lattice, it can be contaminated by very few types of impurities, such as boron and nitrogen. Read More →
Which Mineral is not a Clay Mineral?
Biotite is not a clay mineral. Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg,Fe)3AlSi3O10(F,OH)2. Read More →
Which of the following is the hardest metal?
Iron is the hardest metal. Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series and it is the most common element in the whole planet Earth. Read More →
Which of the following gases is not present in the atmosphere?
Radon is not present in the atmosphere. Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as the decay product of uranium. Read More →