Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 2J Infinity 4J 2J Infinity 4J ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Butane Ethane Methane Propane Butane Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Krypton Argon Helium Xenon Krypton Argon Helium Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Tin Zinc Copper Lead Tin Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 Unburnt petrol SO2 CO CO2 Unburnt petrol SO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Siderite Pyrolusite Galena Magnetite Siderite Pyrolusite Galena ANSWER DOWNLOAD EXAMIANS APP
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