Fast Facts about Chemistry Part-I

  • Water that has stair (oxygen) blown through it is Aerated.
  • A useful variety of a rock-forming mineral which is fibrous, very heat-resistant and chemically inert is Asbestos.
  • Acetyl salicylic acid is Aspirin.
  • Medicinal compounds produced by moulds and bacteria, capable of destroyed or preventing the growth of bacteria in animal systems are known as Antibiotic.
  • A process of coating aluminum surfaces with aluminum oxide, or alumina, using electrolysis is Anodizing.
  • Sulphur dioxide is a colorless gas which can make people Cough.
  • A thick oil extracted from the oil of mint and used as an antiseptic and an aesthetic is Carvacrol.
  • A chemical which is used to kill or control living organisms is Biocide.
  • Energy-producing organic compounds, e.g. cane sugar, glucose starch etc are Carbohydrates.
  • A collarless, odorless gas resulting from the incomplete oxidation of carbon is Carbon monoxide.
  • A sweetish, collarless liquid used as a solvent and an aesthetic is Chloroforms.
  • Organic compounds like benzene which have a strong smell are Aromatic compounds.
  • That which prevents infections, decay and inhibits the action of microorganisms is Antiseptic.
  • Poisonous metallic element belonging to Group 15 (old classification V-A) of the periodic table is called Arsenic.
  • A colorless, crystalline salt, used in some explosives is Ammonium nitrate.
  • Tungsten is a chemical element, a grey metal which has a try high melting point.
  • A brown or black tar-like subs- dance, a gaiety of bitumen, found in a nature state or obtained by evaporating petroleum is Asphalt.
  • The organic acids which are con- students of all proteins in living organisms is Amino acids.
  • Very small solid particles suspended in air Aerosol.
  • Substance that sticks two surfaces together is Adhesive.
  • A base which is ruble in water is Alkali.
  • A white, soluble, crystalline salt, used in dry cells is Ammonium chloride.
  • Contamination of the atmosphere caused by the discharge, accidental or deliberate, of wide range of toxic substances is Air pollution.
  • A colorless pungent gas, compound of nitrogen and hydrogen is Ammonia.
  • The chemicals that produce positively charged hydrogen tons (H+) or a proton in solutions are Acids.
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