sources of impurities -I

Give example of inorganic compound with high degree of purity(99%)

• Sodium hydroxide

• Sodium chloride

• Sodium carbonate

• Sodium boro hydrides

Lead and arsenic produce which effect in body

• Loss of weight

• Loss of appetite

• Unpleasant reaction

• Unpleasant taste

Which Impurity present in potassium iodide

• Potassium bromide

• potassium bromate

• Potassium iodate

• potassium per iodide

Which Impurity present in ammonia solution

• Chloride

• Carbonate

• Sulphate

• Iron

Discolouration of sodium salicylate due to which impurities

• Carboxylic acid

• Ester

• Nitro compounds

• Phenol

sodium chloride become damp because of impurities

• traces of magnesium

• Moisture content

• Reducing agents

• traces of copper turning

Rock salt contain Which impurities

• calcium and magnesium chloride

• Oxalate and glutarate

• Tartate and sodium carbonate

• Carbonate and magnesium oxide

Removal of ammonium hydroxide from Ppt of ammoniated mercury

• By treating with acid

• By treating with alkali

• Washing with buffer

• Washing with cold water

Softened water is formed by passing tap water through

• sodium form of zeolite

• Ion exchange resin

• Passing through membrane filter

• treating with divalent ion

The effect of impurities is

• it will increase bioavailability

• produce unpleasant reaction

• increase solubility of drug

• increase drug compatability