Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Ozone Nitrogen Carbon dioxide Methane Ozone Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Propyl alcohol Ethanol Ethylene glycol Methanol Propyl alcohol Ethanol Ethylene glycol Methanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Ethane Butane Methane Propane Ethane Butane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = K2 K1 = K2/2 K 1 = 1 /K2 K1 = 2K2 K1 = K2 K1 = K2/2 K 1 = 1 /K2 K1 = 2K2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP