Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Baking soda Baking powder None of these Washing soda Baking soda Baking powder None of these Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Inhibits its corrosive effects None of these Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Inhibits its corrosive effects None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the production of styrene butadiene rubber (SBR) is Ethyl alcohol Both A & B Ethylene Neither A nor B Ethyl alcohol Both A & B Ethylene Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. It is a strong mono basic acid which reacts with almost all the metals except noble metals Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) It is a strong mono basic acid which reacts with almost all the metals except noble metals Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate Is soluble in ammonium chloride and potassium chloride solution All of these Has high water solubility and is unstable Is prone to thermal decomposition Is soluble in ammonium chloride and potassium chloride solution All of these Has high water solubility and is unstable Is prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Both B and C Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ Both B and C Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS