[{"_1":2,"_433":-5,"_434":-5},"loaderData",{"_3":4,"_61":62,"_64":65},"root",{"_5":6,"_7":8,"_59":60},"url","http://examplayground.com/questions/jee_advance/chemistry/1978/4","clientEnv",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":22,"_23":24,"_25":26,"_27":28,"_29":30,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":44,"_45":46,"_47":48,"_49":50,"_51":52,"_53":54,"_55":56,"_57":58},"E2E_Public_Key","vKcFStB+BIc9WqIBhJZkPOUl/WsExzaZgHjS3LW9QBo=","GOOGLE_AUTH_CLIENT_ID","554486308226-hci3bklk3fm8k84kbgqnbeblcun85ab5.apps.googleusercontent.com","WEB_BASE_URL","https://examplayground.com","API_BASE_URL","https://api.examplayground.com","COMPANY_LINK","https://brainbehindx.com","COMPANY_NAME","BrainBehindX Inc.","IS_DEV",false,"PROJECT_NAME","examplay","APP_NAME","ExamPlay","FLUTTERWAVE_PUBLIC_KEY","FLWPUBK_TEST-7f676bebac9bda941ec2ba2f1e48c8fb-X","LOCAL_STORAGE_ENCRYPTION_KEY","UUzw68gdJvBjNfJJwIXkEJAHpmxcOJ","RECAPTCHA_SITE_KEY","522ea064-7b68-4cec-8aa6-76ea42f2ef10","WEB_VERSION","1.0","FLUTTERWAVE_SCRIPT_SRC","https://api.examplayground.com/assets/scripts/flutterwave_v3.js","STRIPE_SCRIPT_SRC","https://js.stripe.com/v3/","STRIPE_PUBLISHER_KEY","pk_test_51MANw7Aa3WBkjmReICF2SVhGbnEW8lUW9Mj5FQl8s412LNwgCByNIzaYnSz7UC35edhjXBp5aWuSonjk4BOuVzxP00Lf2smRQN","MATH_JAX_SCRIPT_SRC","https://api.examplayground.com/assets/scripts/tex-chtml-full.js","MATH_SCRIPT_SRC","https://api.examplayground.com/assets/scripts/math.min.js","translationHash","b8f413fae36c34602dc6b88388dbcd89","ssoAuthHash","1562f77d2d5ce2f66441037dfc2892e9","SSO_AUTH_URL","https://cache.examplayground.com","AVATAR_BASE_URL","https://avatars.examplayground.com","EXAM_MEDIA_URL","https://media.examplayground.com","HTML_2_CANVAS","https://api.examplayground.com/assets/scripts/html2canvas.min.js","JS_PDF_SRC","https://api.examplayground.com/assets/scripts/jspdf.umd.min.js","serverTime",1759786151819,"routes/_nav",{"_63":-7},"pricing","routes/_nav.questions_.$key_.$course.$section_.$no",{"_66":67,"_68":69,"_70":-7,"_71":-7,"_72":-7,"_73":-7,"_74":-7,"_75":76,"_98":99,"_5":6,"_100":-7,"_101":102,"_103":104,"_362":-7,"_363":364},"isbot",true,"machineCode","D0cMqZlQa7G3xEZFjg1TcneTJUGbTw","user","userData","userSettings","sessionTheme","authToken","geo",{"_77":78,"_81":82,"_83":84,"_85":86,"_87":88,"_89":84,"_90":91,"_94":95,"_96":97},"range",[79,80],3628718080,3628718335,"country","US","region","","eu","0","timezone","America/Chicago","city","ll",[92,93],37.751,-97.822,"metro",0,"area",1000,"host","examplayground.com","session_lang","server_lang","en","server_lang_store",{"_102":105},{"_106":107,"_352":353},"common",{"_108":109,"_110":111,"_112":113,"_114":115,"_116":117,"_118":118,"_119":120,"_121":122,"_123":124,"_125":126,"_127":128,"_129":130,"_131":132,"_133":134,"_135":136,"_137":138,"_139":140,"_141":142,"_143":144,"_145":146,"_147":148,"_149":149,"_150":150,"_151":151,"_152":152,"_153":153,"_154":154,"_155":155,"_156":156,"_157":157,"_158":158,"_159":159,"_160":160,"_161":162,"_163":164,"_165":166,"_167":168,"_169":169,"_170":170,"_171":172,"_173":174,"_175":176,"_177":178,"_179":180,"_181":182,"_183":184,"_185":186,"_187":188,"_189":190,"_191":191,"_192":192,"_193":194,"_195":196,"_197":198,"_199":200,"_201":202,"_203":204,"_205":206,"_207":208,"_209":210,"_211":212,"_213":214,"_215":216,"_217":218,"_219":220,"_221":222,"_223":224,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244,"_245":246,"_247":248,"_249":250,"_251":252,"_253":254,"_255":256,"_257":258,"_259":260,"_261":262,"_263":264,"_265":266,"_267":268,"_269":270,"_271":272,"_273":274,"_275":275,"_276":277,"_278":278,"_279":280,"_281":282,"_283":283,"_284":285,"_286":287,"_288":289,"_290":291,"_292":293,"_294":295,"_296":297,"_298":168,"_299":300,"_301":302,"_303":304,"_305":306,"_307":307,"_308":308,"_309":309,"_310":310,"_311":311,"_312":312,"_313":313,"_314":314,"_315":315,"_316":316,"_317":318,"_319":320,"_321":322,"_323":323,"_324":324,"_325":320,"_326":322,"_327":327,"_328":329,"_330":331,"_332":333,"_334":335,"_336":337,"_338":339,"_340":341,"_342":343,"_344":345,"_346":347,"_348":349,"_350":351},"yes","Yes","no","No","retry","Retry","is","Is","contact_us","Contact Us","visit","dismiss","Dismiss","continue","Continue","cancel","Cancel","page_not_found","Page Not Found","page_not_found_des","This page has either been deleted or doesn't exists","feature","Feature","feature_under_dev","This feature is currently under development","ok_gotit","Ok, Got It","sun","Sun","mon","Mon","tue","Tue","wed","Wed","thur","Thur","fri","Fri","sat","Sat","JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEPT","OCT","NOV","DEC","users","Users","server","Server","no_comment_yet","No Comment Yet","show_more","Show More","reply","replies","show","Show","type_your_reply","Type your reply here","report_comment","Report Comment","comment_report","Comment Report","comment_report_des_prefix","I am reporting about comment at","delete_comment","Delete Comment","delete_comment_des","Are you sure you want to delete this comment","share_comment","Share Comment","edit_comment","Edit Comment","reply_comment","Reply Comment","edited","Reply","login_to_comment","Login To Comment","write_comment_here","Write comment here","comment_not_found","Comment Not Found","reply_not_found","Reply Not Found","comment_not_found_des","The comment you are looking for has either been deleted or doesn't exist","admin","Admin","joined_on","Joined On","block","Block","nothing_found","Nothing Found","cookies_des","We've baked some cookies that you have to accept. We use third-party cookies to personalize content and to analyze web traffic. By using our website, you automatically accept our cookies.","read_about_cookies","Read more about our cookies","i_love_cookies","I love cookies 😋","homepage","Homepage","practise","Practise","challenge","Challenge","questions","Questions","faqs","Faqs","contact","Contact","about_us","About Us","advertisement","Advertisement","privacy_policy","Privacy Policy","download_app_offline","Download the app to enjoy offline experience","legals","Legals","copyright","Copyright","search_users_exams_questions","Search Users, Exams, Questions","sign_in","Sign In","app_desc","Practice millions of MCQs across different subjects, courses and exams. Generate quizzes from your notes and PDFs instantly.","my_profile","My Profile","select_valid_image_error","An error occurred, please select a valid image","notification","Notification","make_all_as_read","Make All As Read","delete_all","Delete All","delete_all_des","Do you really want to delete all notifications? action is irreversible","no_notification","No Notification","you_have_new_notification","You have new notification","exam","Exam","result","Result","view","View","answer","Answer","or","Or","and","And","more","extracted_from","Extracted from","section","error","Error","enter_your_email","Enter your email","required","copy","Copy","search_users","Search users","selected_users","Selected Users","user_list","User List","no_users_found","No Users Found","select_users","Select Users","show_less","Show Less","show_More","powered_by","Powered By","unexpected_error","Unexpected Error","unexpected_error_des","An unexpected error has occurred, please try again","allow_javascript","Allow javascript to properly load this page","minutes","seconds","hours","days","months","years","mins","secs","hrs","year","right_now","right now","about_1_minute_ago","about 1 minute ago","1_minute_ago","1 minute ago","yesterday","week","about_1_min_ago","1_min_ago","loading","monthly","Monthly","annually","Annually","silver_plan_cavets","You need to be on the Gold plan to generate quizzes directly from your PDFs and Documents!","select_a_plan","Select A Plan","gold","Gold","silver","Silver","remove_ads","Remove Ads","unlock_all_exams","Unlock All Exams","ai_exams","AI Quiz","offline_practise","Offline Practise","initializing_payment","Initializing Payment","opps_des","Oops, something went wrong, please refresh the page and try again","question_no",{"_354":355,"_356":357,"_269":270,"_358":359,"_360":361},"question_not_found","Question Not Found","question_not_found_des","This question has either been deleted or doesn't exist","explanation","Explanation","comments","Comments","force_lang","pageData",{"_365":366,"_367":368,"_408":370,"_409":410,"_278":417,"_110":430,"_431":-5,"_432":-5},"courseName","Chemistry","examData",{"_369":370,"_371":372,"_373":374,"_377":378,"_380":381,"_382":383,"_384":385,"_386":387,"_388":34,"_389":67,"_390":391,"_81":398,"_399":400,"_401":402,"_403":402,"_404":405,"_406":407},"_id","jee_advance","credit","https://jeeadv.ac.in","imgSize",[375,376],400,390,"cate",[379],"entrance_exam","name","JEE Advance","img","https://media.examplayground.com/storage/exams/jee_advance/logo.png","des","Sharpen your skills with real past JEE Advanced questions. Our collection helps you understand the exam pattern, test your problem-solving speed, and identify areas to improve. Practice with actual questions used in previous years to boost your confidence and get exam-ready.","tags","jee advance joint entrance examination india","version","vip","location",{"_392":393,"_394":395},"type","Point","coordinates",[396,397],79.0888,21.1466,"in","priority",7,"createdOn",1756731220674,"updatedOn","questionsCount",4600,"courseCount",6,"examKey","questionData",{"_369":411,"_412":413,"_414":415,"_278":417,"_418":419,"_263":370,"_420":421,"_110":427,"_428":429},"O0j1lw9TsL7HnAhXr2mEm60tEHfoB3","q","Igniting MnO₂ converts it quantitatively to Mn₃O₄. A sample of pyrolusite is of the following composition : MnO₂ 80%, SiO₂ and other inert constituents 15%, rest being water. The sample is ignited in air to constant weight. What is the percentage of Mn in the ignited sample? [O = 16, Mn = 54.9]","ans",[416],1,"1978","course","chemistry","opts",[422,423,424,425,426],"80%","59.33%","63.19%","54.9%","70%",4,"points",2,"4","initComment","initReply","actionData","errors"]

JEE Advance - Chemistry (1978 - No. 4)

Comments (0)