Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Open system Closed system Isothermal system Isobaric system Open system Closed system Isothermal system Isobaric system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Steam distillation Fractional distillation Sublimation Fractional crystallisation Steam distillation Fractional distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Ether Kerosene Benzene Water Ether Kerosene Benzene Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Zinc Lead Tin Copper Zinc Lead Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Krypton Helium Radon Argon Krypton Helium Radon Argon ANSWER DOWNLOAD EXAMIANS APP