Chemical Process Pick out the endothermic reaction out of the following. CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Parathion and Malathion are Plasticisers for unsaturated polysters Pain-relieving drugs (analgesic) Pesticides Tranquilisers Plasticisers for unsaturated polysters Pain-relieving drugs (analgesic) Pesticides Tranquilisers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1500°C 1000°C 750°C 500°C 1500°C 1000°C 750°C 500°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is Magnesium sulphate and magnessium bicarbonate None of these Sodium sulphite and sodium bisulphite Magnesium sulphite and free SO₂ in acid medium Magnesium sulphate and magnessium bicarbonate None of these Sodium sulphite and sodium bisulphite Magnesium sulphite and free SO₂ in acid medium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Reduces sulphate ions to sulphides causing obnoxious smell All of these Increases the quantity of chlorine used for its purification Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Reduces sulphate ions to sulphides causing obnoxious smell All of these Increases the quantity of chlorine used for its purification ANSWER DOWNLOAD EXAMIANS APP
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