General Knowledge For FPSC, PPSC, NTS, CSS And Various Exams CHEMICAL FORMULAE Part 1

General Knowledge For FPSC, PPSC, NTS, CSS 

And Various Exams  

(CHEMICAL FORMULAE) 

Part 1

• Common Salt is NaCl = sodium chloride
• Chun is Ca (OH) 2 = calcium hydroxide
• Washing soda = Na2CO3= sodium carbonate
• Baking soda = NaHCO3 = sodium bicarbonate
• Chalk = CaCO3 = calcium carbonate
• Plaster of Paris = CaSO4.1/2 H2O
• Gypsum salt is CaSo4 + 2H2O.
• Cholestrol = C27 H46O
• Carbohydrates = C+O+H
• Protein = C+Nitrogen + O+H
• C2 H5 OH is the formula of Alcohol.
• H14 N2 is a poisonous alkaloid consumed daily by millions what-Nicotine
• What element was named after the Greek word for green-Chlorine
• What elements name comes from the Greek for light bearing Phosphorous
• Alphabetically what is the first element in the periodic table-Actinium
• What elements name comes from the Greek word for violet-Iodine
• Mercury is also known as Quick Silver
• Coal is also known as Black Diamond
• The lightest known metal is Lithium
• The oil used to preserve timber is Creosote oil
• Limestone is predominantly used raw material in the production of cement.
• An element found in all organic compounds is carbon
• Most commonly used bleaching agent is chlorine
• Lime is sometimes applied to soil in order to increase the alkalinity of the soil
• Podsols are Acidic soils
• Source of plaster of Paris is gypsum
• Chemical name of plaster of Paris is Hemihydrates
• Naturally occurring elements are 92
• Total elements are 109
• Alkaline soil is treated with gypsum