Biology GCSE
mass, gas volume and pH measurement
What mass, gas volume and pH measurement means in Biology GCSE, as defined for OCR.
Definition of mass, gas volume and pH measurement
Check what you remember
Read the wording for your board, then hide it and explain mass, gas volume and pH measurement in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Mass is recorded with a balance, gas volumes may be collected in a gas syringe, and pH is measured with a pH meter or indicator paper.
Topics that use mass, gas volume and pH measurement
- Microbiological techniques (OCR GCSE)
Related terms
- convection current
- differential staining and contrast
- disc diffusion antimicrobial assay
- high-power microscopic resolution
- microbial smear preparation and heat-fixing
- microbiological scientific drawing
- negative control verification
- safe zone measurement through closed dish
Using mass, gas volume and pH measurement in the exam
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