Chemical Process Permanent hardness of water can be removed by Adding alum Passing it through cation & anion exchangers All of these Simply boiling Adding alum Passing it through cation & anion exchangers All of these Simply boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃.10H₂O is called Slaked lime Soda ash Washing soda Quicklime Slaked lime Soda ash Washing soda Quicklime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement setting under water employs a/an __________ process. Hydration Oxidation Decomposition Reduction Hydration Oxidation Decomposition Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Bauxite Chalcopyrite Hematite Galena Bauxite Chalcopyrite Hematite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C. 500-600 250-280 44134 500-600 250-280 44134 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Contact process of sulphuric acid manufacture Yields acids of lower concentration than chamber process Yields acid of higher concentration than chamber process Is obsolete Eliminates absorber Yields acids of lower concentration than chamber process Yields acid of higher concentration than chamber process Is obsolete Eliminates absorber ANSWER DOWNLOAD EXAMIANS APP