Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime Boiling Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The noble gas which occurs most abundantly in the atmosphere is Argon Neon Krypton Helium Argon Neon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process? CaO Coke NaCl NH? CaO Coke NaCl NH? ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hard water Does not affect the lather formation by soap All of these Pollutes the water stream Is not unfit for drinking purpose Does not affect the lather formation by soap All of these Pollutes the water stream Is not unfit for drinking purpose ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 250 - 300 20 - 30 100 - 150 < - 5 250 - 300 20 - 30 100 - 150 < - 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Produce long fibres Prevent deterioration on storage Remove lignin None of these Produce long fibres Prevent deterioration on storage Remove lignin None of these ANSWER DOWNLOAD EXAMIANS APP
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