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Topic :: Acid
. Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is (a) Discharge of acidic effluents onto neutral or slightly alkaline land where the acidic components precipitate (b) Emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain (c) Neutral carbon dioxide released during respiration of living organisms dissolves in water, forming carbonic acid which is the chief contributor to acidity in rain water. (d) Chlorofluorocarbons readily react with various chemicals near the earth’s surface, producing acidic intermediates which cause acid precipitation.
1 4073The element common to all acids is 1 Carbon 2 Hydrogen 3 Oxygen 4 Sulphur
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6 37041Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
1 2888Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
2 3541Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
1 6921Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation
1 3447Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons
ACIO,
2 12465Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
5 15320wt is mean by acid property? i know it is atomocity,consistency,isolation and durabulaty but wt is these mean and wt actions it's perform
Idea,
1 8769
How to properly prepare glycyrrhizic acid solution ?
Which organ and subcellular site are most important for fatty acid biosynthesis?
Which organ and subcellular site are most important for fatty acid biosynthesis?
Which vitamins participate, in coenzyme form, in reactions of the tricarboxylic acid cycle?
Why Lactobacilli are considered the most aciduric and acidogenic organisms in the oral cavity ?
Which bacteria do not have a lipopolysaccharide outer layer, but do have teichoic acids attached to their cell walls gram positive or gram negative?
How to estimate lactic acid ?
How to properly prepare glycyrrhizic acid solution?
How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?
Why should preserve some seeds in acid before selling to farmers?
what are the methods to study nuceic acid and protein interactions?
What is the effect of acid rain on spirogyra?
What factors can change the pKa value of an amino acid residue, and in which direction?
What type of column is generally used to separate amino acids from each other?
Why is the t-butyloxycarbonyl protecting group such a good choice for amino acid synthesis?
