Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 15 20 10 5 15 20 10 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Mixing Wetting Complete wetting Adsorption Mixing Wetting Complete wetting Adsorption ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature? All of these Nitrogen Chlorine Ethane All of these Nitrogen Chlorine Ethane ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Leaching Differential distillation Absorption Stripping Leaching Differential distillation Absorption Stripping ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Size range of the colloidals particles is 10 - 50 Angstrom 50 - 200 microns 5 - 200 milli-microns 500 - 1000 microns 10 - 50 Angstrom 50 - 200 microns 5 - 200 milli-microns 500 - 1000 microns ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following gases is the most soluble in water? H₂S CO₂ CH₄ NH₃ H₂S CO₂ CH₄ NH₃ ANSWER DOWNLOAD EXAMIANS APP
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