Chemical Process Sea water contains about __________ ppm of bromine. 500 1700 70 5 500 1700 70 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of oleum is H₂SO₇ H₂S₂O₇ H₂SO₃ H₂SO₄ H₂SO₇ H₂S₂O₇ H₂SO₃ H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 250-300 90-100 15-30 250-300 90-100 15-30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the commercial production of ethyl alcohol in India is Molasses Fruit of Mahua tree Rice Maize Molasses Fruit of Mahua tree Rice Maize ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ None of these Ca(HCO₃)₂ CaCl₂ MgCl₂ None of these Ca(HCO₃)₂ CaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Bacteria Its corrosiveness Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium ANSWER DOWNLOAD EXAMIANS APP
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