XiMDCAT XI Complete Chemistry Grand Test#Gases#Ideal Gas Equation46Choose the best answerFor a fixed amount of ideal gas at constant temperature, which quantity remains constant?AThe ratio of pressure to volume always remains constantBVolume always remains constantCPressure always remains constantDThe product of pressure and volume always remains constant Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Equilibrium#Le Chatelier's Principle47Choose the best answerFor the equilibrium in blood: CO₂ + H₂O ⇌ H₂CO₃ ⇌ H⁺ + HCO₃⁻ what happens if CO₂ escapes from the system?ApH will decreaseBH₂CO₃ concentration will be unalteredCThe forward reaction will be promotedDHydrogen ion concentration will diminish Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Bonding#Dipole Moment48Choose the best answerA molecule has polar bonds but zero dipole moment. What does this most strongly suggest?AContains ionic bondsBHas a symmetrical geometryCHas no covalent bondsDIs chemically inert Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Crystal Lattice#Solids49Choose the best answerThe smallest repeating unit that represents the structure of a crystal is called:ASpace latticeBCrystal systemCUnit cellDLattice point Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Equilibrium#Le Chatelier's Principle50Choose the best answerFor the endothermic equilibrium CH₄(g) + H₂O(g) ⇌ CO(g) + 3H₂(g), what happens when temperature is increased?AThe equilibrium will not be disturbedBThe equilibrium will shift in the backward directionCThe equilibrium will shift in the forward directionDNone of the above Like 0 Discuss 0Share