MCQ 11 MarkAdding water to acid is an …………………. reaction.A endothermic✓ exothermicC neutralisationD crystallisationAnswerCorrect option: B. exothermic exothermicView full question & answer→
MCQ 21 MarkHCl + NaOH → NaCl + H2O is a …………………. reaction.✓ neutralizationB crystallisationC electrolysisD dissociationAnswerCorrect option: A. neutralization neutralizationView full question & answer→
MCQ 31 MarkpH of strong acid is ………………… .✓1B7C8D14AnswerCorrect option: A. 10View full question & answer→
MCQ 41 MarkAn ionic compound NaCl is formed by ………………… .✓ Na+ and Cl–B Na+ and Cl+C Na– and Cl–D Na– and Cl+AnswerCorrect option: A. Na+ and Cl– Na+ and Cl–View full question & answer→
MCQ 51 MarkThe solution turns blue litmus red, its pH is likely to be ………………… .A7✓4C14D9AnswerCorrect option: B. 44View full question & answer→
MCQ 61 Mark…………………. produced in stomach helps in digestion.✓ Hydrochloric acidB Oxalic acidC Sulphuric acidD Nitric acid?AnswerCorrect option: A. Hydrochloric acid Hydrochloric acidView full question & answer→
MCQ 71 MarkThe positive terminal electrode is called as ………………… .✓ anodeB cathodeC anionD cationAnswerCorrect option: A. anode anodeView full question & answer→
MCQ 81 MarkMolecular formula of Red oxide is ………………… .✓ Fe2O3B CuOC Fe3O4D Na2OAnswerCorrect option: A. Fe2O3 Fe2O3View full question & answer→
MCQ 91 MarkH2CO3 is …………………. acid.A monobasic✓ dibasicC tribasicD tetrabasicAnswerCorrect option: B. dibasic dibasicView full question & answer→
MCQ 101 MarkMolecular formula for sodium oxide is ………………… .✓ Na2OB NaO2C NaOD Na2O2AnswerCorrect option: A. Na2O Na2OView full question & answer→
MCQ 111 MarkMolecular formula of crystalline alum is ………………… .A KSO4, AISO4, 24H2OB K2SO4, ALSO4, 24H2O✓ K2SO4, AL2(SO4)3, 24H2OD KSO4, Al2(SO4)3, 24H2OAnswerCorrect option: C. K2SO4, AL2(SO4)3, 24H2O K2SO4, AL2(SO4)3, 24H2OView full question & answer→
MCQ 121 MarkMolecular formula of blue vitriol is ………………… .A CuSO3 5H2OB CuSO4 4H2OC CUSO3 4H2O✓ CUSO4 5H2OAnswerCorrect option: D. CUSO4 5H2O CUSO4 5H2OView full question & answer→
MCQ 131 MarkWith reference to neutralization, metallic oxides are ………………… in nature.✓ basicB neutralC acidicD salineAnswerCorrect option: A. basic basicView full question & answer→
MCQ 141 MarkAccording to pH scale pure water has a pH of ………………… .A6✓7C5D8AnswerCorrect option: B. 77View full question & answer→
MCQ 151 MarkH3PO4 is a …………………. acid.A monobasic✓ tribasicC tetrabasicD dibasicAnswerCorrect option: B. tribasic tribasicView full question & answer→
MCQ 161 MarkThe bases which are soluble in water are called as ………………… .A indicatorsB acids✓ alkalisD saltsAnswerCorrect option: C. alkalis alkalisView full question & answer→
MCQ 171 MarkThe name of compound NH3 is ………………… .A nitric acidB ammoniumC nitride✓ ammoniaAnswerCorrect option: D. ammonia ammoniaView full question & answer→
MCQ 181 MarkIf the basic radical is H+ the type of compound is ………………… .A neutralB base✓ acidD alkaliAnswerCorrect option: C. acid AcidView full question & answer→
MCQ 191 MarkButter milk contains …………………. acid.✓ butyric acidB Lactic acidC matlic acidD citric acidAnswerCorrect option: A. butyric acid ButyricacidView full question & answer→
MCQ 201 MarkTamarind contains …………………. acid.A Lactic acid✓ tartaric acidC matlic acidD butyric acidAnswerCorrect option: B. tartaric acid tartaricView full question & answer→
MCQ 211 Mark…………………. acid is present in lemon.A malic acidB tartaric acid✓ citric acidD butyric acidAnswerCorrect option: C. citric acid Citric acidView full question & answer→