Chemical Process Pick out the endothermic reaction out of the following. CO +1/2O₂ = CO₂ CO + 3H₂ = CH₄ + H₂O CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO +1/2O₂ = CO₂ CO + 3H₂ = CH₄ + H₂O CaCO₃ = CaO + CO₂ C+1/2O₂ = CO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of calcium carbide with water produces a gas, which is used As an illuminant For metal cutting/welding Neither A nor B Both A & B As an illuminant For metal cutting/welding Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Impurities present in brine is normally removed by treatment with Lime and soda ash NH₃ and CO₂ Lime, ammonia and carbon All of these Lime and soda ash NH₃ and CO₂ Lime, ammonia and carbon All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting plastic materials Can not be melted after forming Is useful for melt casting Can be repeatedly melted Is useful for spinning Can not be melted after forming Is useful for melt casting Can be repeatedly melted Is useful for spinning ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electrodeposition of metals i.e. electroplating is never done on Non-metals Refractories Alloys Metals Non-metals Refractories Alloys Metals ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. 250-300 60-70 150-200 25 250-300 60-70 150-200 25 ANSWER DOWNLOAD EXAMIANS APP