Chapter-1-Fundamentals-of-Chemistry

In this video, you will study  Chemistry Grade 9 Chapter 1 "Fundamentals of Chemistry" by instructor Muhammad Abdullah Khan.  

This covers everything you need to know to develop basic chemistry concepts and all the branches of chemistry, including; physical chemistry, organic chemistry, inorganic chemistry, biochemistry, industrial chemistry, nuclear chemistry, industrial chemistry, and analytical chemistry. 

We will help you prepare for the chemistry class 9 exam by providing an overview of all fundamentals and branches of chemistry, such as elements, compounds and mixtures, atomic number and mass, mole mass calculations, organic chemistry introduction, and more. Start learning now!

It is Pakistan’s first digital self-study platform that offers exam-preparation material for matric and intermediate students. We have designed high-quality study material which caters more than 18 educational boards across Pakistan. Our signature content includes comprehensive video lectures, past paper solutions, book notes, MCQs, and quizzes. 
 

ShortcodesMessagesTimelineExceptionsViews2RouteQueries7Models64MailsGateSessionRequest
7.4.3PHP Version82.81msRequest Duration9MBMemory UsageGET video-lectures/chapter-details/{chapter_id}Route
Total time
0μs
    • Booting (57.38ms)
    • Application (25.34ms)
    • 1 x Booting (69.29%)
      57.38ms
      1 x Application (30.61%)
      25.34ms
      2 templates were rendered
      • app.v1-views.vcms.play-video-lectures (resources/views/app/v1-views/vcms/play-video-lectures.blade.php)2blade
        Params
        0
        data
        1
        success
      • app.layouts-app.vcms-layout (resources/views/app/layouts-app/vcms-layout.blade.php)15blade
        Params
        0
        obLevel
        1
        __env
        2
        app
        3
        errors
        4
        data
        5
        success
        6
        chapterDetailLink
        7
        __currentLoopData
        8
        item
        9
        loop
        10
        topic_video_url
        11
        topic_title
        12
        topic_description
        13
        topic_video_id
        14
        video_id
      uri
      GET video-lectures/chapter-details/{chapter_id}
      middleware
      web
      controller
      App\Http\Controllers\VideoLectureController@paidchapterDetails
      namespace
      App\Http\Controllers
      prefix
      where
      as
      guestcart.paid.chapter.details
      file
      app/Http/Controllers/VideoLectureController.php:153-167
      7 statements were executed9ms
      tutoriapkstage
      • select `id`, `chapter_title`, `description`, `is_paid`, `promotional_video_url`, `vimeo_video_thumbnail`, `video_thumbnail`, `show_custom_thumbnail`, `subject_id` from `vcms_chapters` where `id` = 65 limit 1720μs/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Bindings
        • 0. 65
        Backtrace
        • 15. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 16. /app/Http/Controllers/VideoLectureController.php:158
        • 19. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 21. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `id`, `subject_title`, `parent_board_id`, `grade_id` from `vcms_subjects` where `vcms_subjects`.`id` in (6)2.12ms/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Backtrace
        • 20. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 21. /app/Http/Controllers/VideoLectureController.php:158
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `id`, `parent_board_name` from `parent_boards` where `parent_boards`.`id` in (1)330μs/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Backtrace
        • 25. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 26. /app/Http/Controllers/VideoLectureController.php:158
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 30. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 31. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `id`, `grade_name` from `user_grades` where `user_grades`.`id` in (1)3.87ms/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Backtrace
        • 25. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 26. /app/Http/Controllers/VideoLectureController.php:158
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 30. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 31. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `id`, `topic_title` as `title`, `chapter_id`, `video_url` as `topic_video_url`, `description` from `vcms_chapter_topics` where `vcms_chapter_topics`.`chapter_id` in (65)1.24ms/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Backtrace
        • 20. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 21. /app/Http/Controllers/VideoLectureController.php:158
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `id`, `summary_title` as `title`, `chapter_id`, `video_url` as `summary_video_url`, `description` from `vcms_chapter_summaries` where `vcms_chapter_summaries`.`chapter_id` in (65)380μs/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Backtrace
        • 20. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 21. /app/Http/Controllers/VideoLectureController.php:158
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `id`, `qa_title` as `title`, `chapter_id`, `video_url` as `qa_video_url`, `description` from `vcms_chapter_q_a_s` where `vcms_chapter_q_a_s`.`chapter_id` in (65)340μs/app/Repositories/VCMS/GuestCartRepository.php:156tutoriapkstage
        Metadata
        Backtrace
        • 20. /app/Repositories/VCMS/GuestCartRepository.php:156
        • 21. /app/Http/Controllers/VideoLectureController.php:158
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      App\Models\VCMS\ChapterTopic
      60
      App\Models\Admin\Grades
      1
      App\Models\VCMS\ParentBoard
      1
      App\Models\VCMS\Subject
      1
      App\Models\VCMS\Chapter
      1
          _token
          IVYrDS8wexTIMG9s2D1L8hxI0XC0D1cOeLELf1Dq
          _previous
          array:1 [ "url" => "https://dev.tutoria.pk/video-lectures/chapter-details/eyJpdiI6IlJNWEI1NnN6ditU...
          _flash
          array:2 [ "old" => [] "new" => [] ]
          PHPDEBUGBAR_STACK_DATA
          []
          path_info
          /video-lectures/chapter-details/eyJpdiI6IlJNWEI1NnN6ditUbnNEMjg3OWg3akE9PSIsInZhbHVlIjoiU0xGR3ZtcUFQU0xJdE82MGpCcEVPQT09IiwibWFjIjoiZTQ5YzFjZDA0NWJjNzA0YmUwZjcxMDEzYzJjNTA4YzFkMWNjZDNhYjRhODllZGQxM2YyZmNkNjZmNzQ1MDk2YiJ9
          status_code
          200
          status_text
          OK
          format
          html
          content_type
          text/html; charset=UTF-8
          request_query
          []
          request_request
          []
          request_headers
            0 of 0   
          array:17 [▶
  "accept-encoding" => array:1 [▶
    0 => "gzip, deflate, br, zstd"
  ]
  "sec-fetch-dest" => array:1 [▶
    0 => "document"
  ]
  "sec-fetch-user" => array:1 [▶
    0 => "?1"
  ]
  "sec-fetch-mode" => array:1 [▶
    0 => "navigate"
  ]
  "sec-fetch-site" => array:1 [▶
    0 => "none"
  ]
  "accept" => array:1 [▶
    0 => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
  ]
  "user-agent" => array:1 [▶
    0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  ]
  "upgrade-insecure-requests" => array:1 [▶
    0 => "1"
  ]
  "sec-ch-ua-platform" => array:1 [▶
    0 => ""Windows""
  ]
  "sec-ch-ua-mobile" => array:1 [▶
    0 => "?0"
  ]
  "sec-ch-ua" => array:1 [▶
    0 => ""HeadlessChrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129""
  ]
  "cache-control" => array:1 [▶
    0 => "no-cache"
  ]
  "pragma" => array:1 [▶
    0 => "no-cache"
  ]
  "connection" => array:1 [▶
    0 => "keep-alive"
  ]
  "host" => array:1 [▶
    0 => "dev.tutoria.pk"
  ]
  "content-length" => array:1 [▶
    0 => ""
  ]
  "content-type" => array:1 [▶
    0 => ""
  ]
]
          request_server
            0 of 0   
          array:41 [▶
  "USER" => "www-data"
  "HOME" => "/var/www"
  "HTTP_ACCEPT_ENCODING" => "gzip, deflate, br, zstd"
  "HTTP_SEC_FETCH_DEST" => "document"
  "HTTP_SEC_FETCH_USER" => "?1"
  "HTTP_SEC_FETCH_MODE" => "navigate"
  "HTTP_SEC_FETCH_SITE" => "none"
  "HTTP_ACCEPT" => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
  "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  "HTTP_UPGRADE_INSECURE_REQUESTS" => "1"
  "HTTP_SEC_CH_UA_PLATFORM" => ""Windows""
  "HTTP_SEC_CH_UA_MOBILE" => "?0"
  "HTTP_SEC_CH_UA" => ""HeadlessChrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129""
  "HTTP_CACHE_CONTROL" => "no-cache"
  "HTTP_PRAGMA" => "no-cache"
  "HTTP_CONNECTION" => "keep-alive"
  "HTTP_HOST" => "dev.tutoria.pk"
  "REDIRECT_STATUS" => "200"
  "SERVER_NAME" => "dev.tutoria.pk"
  "SERVER_PORT" => "443"
  "SERVER_ADDR" => "64.227.182.214"
  "REMOTE_PORT" => "57670"
  "REMOTE_ADDR" => "18.191.148.200"
  "SERVER_SOFTWARE" => "nginx/1.18.0"
  "GATEWAY_INTERFACE" => "CGI/1.1"
  "HTTPS" => "on"
  "REQUEST_SCHEME" => "https"
  "SERVER_PROTOCOL" => "HTTP/1.1"
  "DOCUMENT_ROOT" => "/var/www/html/legacy-live"
  "DOCUMENT_URI" => "/index.php"
  "REQUEST_URI" => "/video-lectures/chapter-details/eyJpdiI6IlJNWEI1NnN6ditUbnNEMjg3OWg3akE9PSIsInZhbHVlIjoiU0xGR3ZtcUFQU0xJdE82MGpCcEVPQT09IiwibWFjIjoiZTQ5YzFjZDA0NWJjNzA0YmUwZjcxMDEzYzJjNTA4YzFkMWNjZDNhYjRhODllZGQxM2YyZmNkNjZmNzQ1MDk2YiJ9 ◀/video-lectures/chapter-details/eyJpdiI6IlJNWEI1NnN6ditUbnNEMjg3OWg3akE9PSIsInZhbHVlIjoiU0xGR3ZtcUFQU0xJdE82MGpCcEVPQT09IiwibWFjIjoiZTQ5YzFjZDA0NWJjNzA0YmUwZjcx ▶"
  "SCRIPT_NAME" => "/index.php"
  "CONTENT_LENGTH" => ""
  "CONTENT_TYPE" => ""
  "REQUEST_METHOD" => "GET"
  "QUERY_STRING" => ""
  "SCRIPT_FILENAME" => "/var/www/html/legacy-live/index.php"
  "FCGI_ROLE" => "RESPONDER"
  "PHP_SELF" => "/index.php"
  "REQUEST_TIME_FLOAT" => 1742559550.1279
  "REQUEST_TIME" => 1742559550
]
          request_cookies
          []
          response_headers
            0 of 0   
          array:5 [▶
  "cache-control" => array:1 [▶
    0 => "no-cache, private"
  ]
  "date" => array:1 [▶
    0 => "Fri, 21 Mar 2025 12:19:10 GMT"
  ]
  "content-type" => array:1 [▶
    0 => "text/html; charset=UTF-8"
  ]
  "set-cookie" => array:1 [▶
    0 => "app_session=eyJpdiI6IlBtVGczdHR4VElUWG56dDNzRTVWXC9RPT0iLCJ2YWx1ZSI6IjgzeXJaTlZnWDNmZVV4RkdhSDBRNXA4M3FmSXlVcklYNVAyXC9EdXpubWJZZlJSSVBWRTJrRVJOK1k5MktDZXhuIiwibWFjIjoiY2ViOTUzNTQxOTIyM2I1ZDkxZWI3YmRhZGRiN2JkNDQ2MDYyMWQxNDJlZDU1MjU4YzFlNzFlNzI4ZDhiODdjZiJ9; expires=Fri, 21-Mar-2025 14:19:10 GMT; Max-Age=7200; path=/; domain=.dev.tutoria.pk; httponly ◀app_session=eyJpdiI6IlBtVGczdHR4VElUWG56dDNzRTVWXC9RPT0iLCJ2YWx1ZSI6IjgzeXJaTlZnWDNmZVV4RkdhSDBRNXA4M3FmSXlVcklYNVAyXC9EdXpubWJZZlJSSVBWRTJrRVJOK1k5MktDZXhuIiwi ▶"
  ]
  "Set-Cookie" => array:1 [▶
    0 => "app_session=eyJpdiI6IlBtVGczdHR4VElUWG56dDNzRTVWXC9RPT0iLCJ2YWx1ZSI6IjgzeXJaTlZnWDNmZVV4RkdhSDBRNXA4M3FmSXlVcklYNVAyXC9EdXpubWJZZlJSSVBWRTJrRVJOK1k5MktDZXhuIiwibWFjIjoiY2ViOTUzNTQxOTIyM2I1ZDkxZWI3YmRhZGRiN2JkNDQ2MDYyMWQxNDJlZDU1MjU4YzFlNzFlNzI4ZDhiODdjZiJ9; expires=Fri, 21-Mar-2025 14:19:10 GMT; domain=.dev.tutoria.pk; path=/; httponly ◀app_session=eyJpdiI6IlBtVGczdHR4VElUWG56dDNzRTVWXC9RPT0iLCJ2YWx1ZSI6IjgzeXJaTlZnWDNmZVV4RkdhSDBRNXA4M3FmSXlVcklYNVAyXC9EdXpubWJZZlJSSVBWRTJrRVJOK1k5MktDZXhuIiwi ▶"
  ]
]
          session_attributes
            0 of 0   
          array:4 [▶
  "_token" => "IVYrDS8wexTIMG9s2D1L8hxI0XC0D1cOeLELf1Dq"
  "_previous" => array:1 [▶
    "url" => "https://dev.tutoria.pk/video-lectures/chapter-details/eyJpdiI6IlJNWEI1NnN6ditUbnNEMjg3OWg3akE9PSIsInZhbHVlIjoiU0xGR3ZtcUFQU0xJdE82MGpCcEVPQT09IiwibWFjIjoiZTQ5YzFjZDA0NWJjNzA0YmUwZjcxMDEzYzJjNTA4YzFkMWNjZDNhYjRhODllZGQxM2YyZmNkNjZmNzQ1MDk2YiJ9 ◀https://dev.tutoria.pk/video-lectures/chapter-details/eyJpdiI6IlJNWEI1NnN6ditUbnNEMjg3OWg3akE9PSIsInZhbHVlIjoiU0xGR3ZtcUFQU0xJdE82MGpCcEVPQT09IiwibWFjIjoiZTQ5Yz ▶"
  ]
  "_flash" => array:2 [▶
    "old" => []
    "new" => []
  ]
  "PHPDEBUGBAR_STACK_DATA" => []
]