XiMDCAT XI Complete Chemistry Grand Test#Mole Concept#Stoichiometry296Choose the best answerHow many atoms are present in 0.1 mol of a triatomic gas?A6.02 × 10²³B1.204 × 10²³C1.806 × 10²³D1.806 × 10²⁴ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms297Choose the best answer0.5 mol H₂O contains:A0.5 mol H atomsB22.4 dm³ OCNA H atomsD2 mol atoms Like 0 Discuss 0Share
StoichiometryGas Volume Stoichiometry298Choose the best answerHow many litres of HCl are produced when 100 L H₂ reacts with excess Cl₂ at the same temperature and pressure? H₂ + Cl₂ → 2HClA50 LB100 LC150 LD200 L Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Electrons299Choose the best answerWhat is the total number of electrons present in 1.6 g CH₄?A6.022 × 10²³B1.6 × 10²³C1.6 × 10²²D6.022 × 10²² Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Physical Changes300Choose the best answerWhich change can be reversed without forming a new substance?ABurning paperBMelting iceCRusting ironDCooking an egg Like 0 Discuss 0Share