The first organic compound synthesized in the laboratory from an inorganic compound is:

Solubility product of Ba(OH)₂ and Al(OH)₃ are 1.8x10^-10 and 2.4x10^-20 respectively.If both Al³⁺ and Ba⁺² ions are present is a solution,which one will be precipated on addition of Ammonium hydroxide solution

Oxide of nitrogen which gives reddish brown colour when exposed to air is

Active mass of 56 g of N₂ contained in 2 ltr.Flask is

The conjugate acid of SO₄^2- is

The flux used in the extraction of iron from Haematite in the blast furnace is

Which of the following not obtained when methyl chloride and n-propyl chloride react with sodium in dry ether

A certain current liberated 0.504g of hydrogen in 2hrs. How many grams of copper can be librated by the same current flowing for the same time in a copper sulphate solution

The method of separation of enantiomers from racemic mixture is known as

The earthy impurities present in the mineral are called