Alkyl HalidesBeta-Elimination1321Choose the best answerWhich reaction is an elimination reaction?AR–Br + aq. KOH → R–OH + KBrBCH₃CH₂Br + NH₃ → CH₃CH₂NH₂ + HBrCCH₃CH₂Br + alcoholic KOH → CH₂=CH₂ + KBr + H₂ODCH₃Br + NaI → CH₃I + NaBr Like 0 Discuss 0Share
StoichiometryLaw of Conservation of Mass1322Choose the best answerWhich statement is always true for a balanced chemical reaction?ATotal moles of reactants and products are equalBTotal gas volumes of reactants and products are equalCTotal mass of reactants and products is equalDAll of these Like 0 Discuss 0Share
Industrial ChemistryIndustrial Applications of Enzymes1323Choose the best answerWhich industrial application of enzymes is correctly matched?AFood industry — Conversion of starch into sugarBDetergent industry — Production of starchCBrewing industry — Removal of paper thicknessDPaper industry — Production of antibodies Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Bonding#Sigma and Pi Bonds1324Choose the best answerAn sp²-hybridized carbon forms which combination of σ and π bonds?A4 π bondsB2 π bonds and 2 σ bondsC1 π bond and 3 σ bondsD4 σ bonds Like 0 Discuss 0Share
StoichiometryRelative Atomic Mass1325Choose the best answerThe mass of an atom relative to 1/12 of the mass of a ¹²C atom is called:ARelative atomic massBMolecular massCMolar massDEquivalent mass Like 0 Discuss 0Share