Page No. 28-29 Flashcards
(27 cards)
Plaster of Paris
Calcium sulphate
Soda ash
Sodium carbonate
Oil of vitriol
Sulphuric acid
Vinegar
Acetic acid
Bleach
Sodium hypochlorite
Laughing Gas
Nitrous oxide
Fools gold
Iron pyrite
Brine
Aqueous sodium chloride
Chloroform
Trichloromethane
Chalk
Calcium carbonate
Quartz
Silicon dioxide
Aqua regia
A mixture of concentrated nitric and hydrochloric acid
– Is an acid present car batteries
Sulphuric acid
– Is used in the manufacture of class and ceramics
Silica
In a – the elements are arranged in the order of increasing atomic number
Periodic table
Lemons are rich in – acid
Citric
– Is an acid that dissolves in gold
Aqua regia
– Is used as a preservative in the packing of meat and in pickling
Salt
– Was a very first metal used by humans in the neolithic period
Copper
– Is the process of converting liquid vegetable oil to solid or semi solid fats
Hydrogenation
And – is a metal made from a combination of two metallic elements to increase its strength and resistance to corrosion
Alloy
A – is obtained when an acid is mixed with the base
Salt
– Is a term used to describe a compound, which acts as an acid and a base
Amphoteric
– chromatography, is a technique used to separate chemical based on colour
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