Chemical Process Which of the following is the second major component of cement? Al₂O₃ SiO₂ CaO Fe₂O₃ Al₂O₃ SiO₂ CaO Fe₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about 0.1 to 0.5 5 to 10 1 to 5 15 to 25 0.1 to 0.5 5 to 10 1 to 5 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Tricalcium silicate Calcium sulphate Calcium carbonate Calcium oxide Tricalcium silicate Calcium sulphate Calcium carbonate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is A slow reaction All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) A slow reaction All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The drug used in contraceptives is Mestranol Sulphadizene Pencillin Methyl salicylate Mestranol Sulphadizene Pencillin Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt cake is chemically represented by Na₂SO₄ CaSO₄.1/2 H₂O BaSO₄ MgSO₄ Na₂SO₄ CaSO₄.1/2 H₂O BaSO₄ MgSO₄ ANSWER DOWNLOAD EXAMIANS APP
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