Chemical Process Reaction of calcium carbide with water produces a gas, which is used Neither A nor B For metal cutting/welding Both A & B As an illuminant Neither A nor B For metal cutting/welding Both A & B As an illuminant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Simply boiling All of these Passing it through cation & anion exchangers Adding alum Simply boiling All of these Passing it through cation & anion exchangers Adding alum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is In water treatment As fire retardant As a disinfectant As a rocket fuel In water treatment As fire retardant As a disinfectant As a rocket fuel ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yeast is used in the manufacture of Wine Pencillin Pasteurised milk Antibiotics Wine Pencillin Pasteurised milk Antibiotics ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 4000 800 8500 1600 4000 800 8500 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the commercial production of ethyl alcohol in India is Rice Fruit of Mahua tree Maize Molasses Rice Fruit of Mahua tree Maize Molasses ANSWER DOWNLOAD EXAMIANS APP
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