Chemical Process Pick out the endothermic reaction out of the following. CO +1/2O₂ = CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CaCO₃ = CaO + CO₂ CO +1/2O₂ = CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CaCO₃ = CaO + CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? Al₂O₃ Fe₂O₃ SiO₂ CaO Al₂O₃ Fe₂O₃ SiO₂ CaO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of vinegar? Around 10% alcohol Both A and B Neither A nor B Around 1% acetic acid Around 10% alcohol Both A and B Neither A nor B Around 1% acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. 150-200 250-300 25 60-70 150-200 250-300 25 60-70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to Improve the rate of crystallisation of sugar Adjust the pH of the syrup Remove the coloring matter from the syrup Reduce the viscosity of the syrup Improve the rate of crystallisation of sugar Adjust the pH of the syrup Remove the coloring matter from the syrup Reduce the viscosity of the syrup ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plaster of Paris is Same as gypsum Both A and B Used for setting of broken bones CaSO₄.½H₂O Same as gypsum Both A and B Used for setting of broken bones CaSO₄.½H₂O ANSWER DOWNLOAD EXAMIANS APP