Solvents and vapours Study guides, Study notes & Summaries

What is the biggest causes of injuries on the job Carelessness or horseplay Rags used to clean up solvents and oils must be disposed of in: An "Approved metal container" All personal protective equipment (PPE) must be: CSA Aproved A green tag on boots indicates that: The boots are CSA aprroved People that are the persons who have locks on a locked out piece of equipment are known as: Authorized people Double insulated tools are: Some hand-held tools which have an insulated handle or hous...

Weighing a solid - CORRECT ANSWER 1. Zero the balance 2. Place weighing bottle/boat onto balance and add in the approximate required mass of solid 3. Accurately weigh solid and weighing bottle and record 4. Empty solid into glassware where it will be used 5. Accurately reweigh empty weighing bottle 6. Subtract recorded mass for empty weighing bottle from mass recorded for solid and weighing bottle Measuring a volume of a liquid using a pipette - CORRECT ANSWER ...

AQA GCSE Chemistry - Paper 1 What is the charge of a proton? Ans- +1 What is the charge of a neutron? Ans- 0 What is the charge of an electron? Ans- -1 What is the relative mass of a proton? Ans- 1 What is the relative mass of a neutron? Ans- 1 What is the relative mass of an electron? Ans- Very small How many types of atoms do elements contain? Ans- Only one type What are compounds? Ans- Substances containing two or more different elements that are chemically bonded together What are...

What is the charge of a proton? - correct answer +1 What is the charge of a neutron? - correct answer 0 What is the charge of an electron? - correct answer -1 What is the relative mass of a proton? - correct answer 1 What is the relative mass of a neutron? - correct answer 1 What is the relative mass of an electron? - correct answer Very small How many types of atoms do elements contain? - correct answer Only one type What are compounds? - correct answer Substances containin...

AQA GCSE Chemistry What is the charge of a proton? - ANS +1 What is the charge of a neutron? - ANS 0 What is the charge of an electron? - ANS -1 What is the relative mass of a proton? - ANS 1 What is the relative mass of a neutron? - ANS 1 What is the relative mass of an electron? - ANS Very small How many types of atoms do elements contain? - ANS Only one type What are compounds? - ANS Substances containing two or more different elements that...

Environmental Riss Assessment and Management Lecture notes