popular chemistry questions

Ammonia is present in the combined form as various ammonium salts. The two most popular salts are ammonium chloride and ammonium sulpha..

Popularly known as washing soda or soda ash, sodium carbonate is a commercially important compound. In earlier days, it was obtained from the ash of plants and from natural deposits in India and Egy..

The most popular hybridisation in carbon containing compounds are sp, sp 2 and sp 3..

Nylon is a synthetic polyamide fiber. It is the first manmade fiber. It was synthesized in the year 1935. In the year 1939, sixty four million pairs of nylon stockings were sold in the market vouching for the popularity of nylon. The name nylon comes from the fact that it was synthe..

Popularly known as washing soda or soda ash, sodium carbonate is a commercially important compound. In earlier days, it was obtained from the ash of plants and from natural deposits in India and Egyp..

Sodium Carbonate (Na 2 CO 3 ) - Popularly known as washing soda or soda ash, sodium carbonate is a commercially important compound. In earlier days, it was obtained from the ash of plants and from natural deposits in India and Egy..

When the (+) and (-) isomers or their salts form well defined crystals showing hemihedral faces, hand picking is used to separate them. Pasteur separated sodium ammonium racemate crystals by mechanical separation in 1848. Below a certain temperature the enantiomorphs crystallize separately. Above ..

All elements in the periodic table have been classified as metals and non-metals. The non-metals are placed on the right hand side of the periodic table. Non-metals are simple small molecules that are mostly gases. Elements between metals and non-metals are regarded as semi-metals and are called me..

; red alloys contain mainly copper. A harder alloy is made by adding nickel or a tiny percentage of titanium. The proportion of gold in jewellery is measured on the carat (or karat) scale. The word carat comes from the carob seed, which was originally used to balance scales in Oriental bazaars. Pur..

Tracer technique is used a) To find the solubility of sparingly soluble salt like lead sulphate. A lead salt containing known amount of radioactive lead is dissolved in water. Sulphuric acid is added to the aqueous solution to precipitate lead as lead sulphate...