Overview / Database / Chemistry 9
Chemistry - Grade 9
Balochistan Textbook Board, Quetta
Bibliographic record
| Board | Balochistan Textbook Board, Quetta |
|---|---|
| Class | 9 |
| Subject | Chemistry |
| Medium | English |
| Curriculum | National Curriculum 2022-23 |
| Edition | NC 2022-23 pilot |
| Approval | Front matter: 'developed ... based on National Curriculum of Pakistan 2022-23 and is being printed as Pilot Edition for a period of one academic year' |
| Pages | 208 |
| File size | 133 MB |
| PDF producer | GPL Ghostscript 10.05.1 |
Evidence tier
scanned English OCR — quotation permitted after re-verification by exact string match.
Measured scores
Axes not listed were not scored for this book — coverage is uneven by design. All axes run 1–5, where 1 is the secular/pluralist/open pole. See the method.
Evidence recorded 2
Three kinds, deliberately styled apart. A quotation is verbatim wording and is only ever taken from English-medium text. An observation describes structure or theme — the only kind permitted for Urdu and Sindhi material, which this project never quotes. An absence is a negative result: a probe was run and returned nothing, which is the weakest claim made anywhere on this site.
absence religion lens A1 = 1 English OCR #e01
A negative result. It records that a probe was run and found nothing — not that the thing is not in the book. Where this rests on Urdu material the correct reading is not established, never absent, because degraded Nastaliq OCR cannot tell those apart.
absence gender lens A7 = 5 English OCR #e02
A negative result. It records that a probe was run and found nothing — not that the thing is not in the book. Where this rests on Urdu material the correct reading is not established, never absent, because degraded Nastaliq OCR cannot tell those apart.
Every passage recorded for this book is shown above — nothing is withheld or truncated. Each item has a permanent anchor, so a single piece of evidence can be linked and disputed on its own.
Findings that cite this book 1
Religionhigh confidence
Balochistan's General Science 6, General Science 7, Chemistry 9 and Chemistry 10 return zero religious tokens across a combined 188,923 words. The board is the most secular in the corpus on A1 (1.94), and the result is driven almost entirely by its sciences: eleven of its sixteen scored English-medium books score 1 or 2.
Counter-evidence, at equal prominence: The same board concentrates religion sharply elsewhere: its English 10 devotes a full unit of a language reader to the Prophet's life, with the pre-Islamic Arabia framing “Women were treated like animals. Ignorance ruled everywhere” (English 10, p. 9). Balochistan does not spread religion thinly; it concentrates it.
A finding states and cites; it does not argue. The argument is in the studies. Where a finding has counter-evidence it is printed above, in the same block, because a finding that hides its counter-evidence is a worse finding rather than a stronger one.
Availability of the book itself
Download this book (PDF, 133 MB)
Published by Balochistan Textbook Board, Quetta, which holds copyright in it. Served here unmodified, without charge and without advertising, to preserve public access to material its publisher distributes free — source links rot and editions are withdrawn, and several in this catalogue already have. This is an archival mirror, not a licence granted by the Board. The Board may have it removed at any time, for any reason, and the removal will be recorded publicly. Verify your copy against the SHA-256 below.
Provenance
| Local file | btbb-balochistan/class-9/chemistry-9-en.pdf |
|---|---|
| Copy retrieved | |
| SHA-256 of the analysed file | bf7d3b8bec1822b23082cf6257b1388718a35e6a8520f1f18ee02f9a51ca53bf |
| Source | https://drive.usercontent.google.com/download?id=1g8w5BjyvjLkepveEfl6jAlcu9Ec6-q1I&export=download&confirm=t&uuid=0a982270-8066-4289-bd5f-c07b8b4ec0e8 |
The checksum is of the exact file these findings were computed from, so anyone can prove they hold the same bytes. The retrieval date is when this copy was fetched to the project's own disk, not a formal web-archive capture. Boards and mirrors reprint and reorganise continuously, so a source link may not resolve, and may not serve the same edition if it does. The bibliographic record above — board, class, subject, medium, curriculum, edition, approval reference and page count — is what identifies the book; the link is a convenience. This project does not republish the PDF itself, for the copyright reasons set out in about.
Identifiers and permanent link
| Record ID | btbb-chemistry-9-en |
|---|---|
| Permanent link | /books/btbb-chemistry-9-en/ |
| This record as data | /books/btbb-chemistry-9-en.json · whole dataset |
The record ID is an accession number that happens to be readable. It never changes, even if the metadata encoded in it turns out to be wrong — if this book's board, class, subject or medium is corrected, the correction appears in the fields above and the ID stays as it is. That is the only way a link made today still resolves in ten years. The full rule is in the standards.
Cite this record
btbb-chemistry-9-en, corpus version 210 records. Retrieved from /books/btbb-chemistry-9-en/If you are quoting a passage from the book rather than citing this record, cite the book — the bibliographic details above are what identifies it — and say that you found it here. Two citations, not one.
Challenge this record
If the edition is misidentified, a score does not survive its evidence, the source link is wrong, or a passage is unfairly characterised, that is worth reporting and will be acted on whether or not the correction suits the argument. Corrections are published in the corrections log, never quietly patched. This applies fully to the board that publishes this book: any reply will appear beside the finding it concerns, under the right of reply.