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Which of the following chloride would exhibit the least ionic character?
Which of the following statement is true of a proton?
A rock sample was added to cold dilute HNO3. The gas evolved was passed into a solution of acidified K2Cr2O7 and the solution turned green. The sample contains
The intermediate product formed when ethanol is progressively oxidized to ethanoic acid with potassium heptaoxodichromate (IV) is
Hydrogen is readily released when dilute hydrochloric acid reacts with
which of the following polymers is suitable for packaging and electrical insulation?
The most important use of hydrogen is in the
The boiling of fat and aqueous caustic soda is referred to as
A red precipitate of copper (I) carbide is formed when ammonium solution of copper (I) chloride is introduced into
Ordinary glass is manufactured from silica, CaCO3 and
Which of these pairs are synthetic and natural macromolecules respectively?
The number of isomers formed by C\(_6\)H\(_{14}\) is
The reaction of an alkene with hydrogen in the presence of catalyst is
An example of element that can catenate is
Which of the following gives a precipitate when treated with NaOH solution?
Ethanol can easily be produced by
The gas that gives brown colouration in brown ring test is
Steam changes the colour of anhydrous cobalt (II) chloride from
The property which makes alcohol soluble in water is the
The furring of kettles is caused by the presence in the water of?