Alkalis and bases Study guides, Revision notes & Summaries

What are the 5 steps in the Scientific Method? - Answer 1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): - Answer x 10^1 Metric Unit hecto (h): - Answer x 10^2 Metric Unit kilo (k): - Answer x 10^3 Metric Unit mega (M): - Answer x 10^6 Metric ...

Organic chemistry is the study of substances that contain ? Carbon The term organic applies toll living things and those things that where once alive Organic Gasoline,synthetic fabrics ,plastics & pesticides are all considered organic because they are manufactured from natural gas and oil Natural gas & oil Metals,minerals,water,air and ammonia inorganic Substance Inorganic Matter Is define as anything that occupies space There 118 different elements known ...

When collecting FOB, the patient is restricted from consuming what а. Apples b. chicken с. Alcohol d.Acetaminophen - correct answers.а. Apples (contains 8.4mg Vit C) red meat, citrus fruit When is an INR specimen rejected a. When vacuum is not fully evacuated b. when specimen is delayed in transit for 6 hours с. When the specimen has been sitting at room temp for 1 hour before testing - correct answers.b. when specimen is delayed in transit for 6 hours Patient comes in for a routin...

Bacteria Single-celled organism that do not have a cell nucleus and the membrane-enclosed intracellular structures found in most other cells (Prokaryotic cell). Gram-positive Bacteria Thick layer of peptidoglycan (20-80nm across). The peptidoglycan layer is closely attached to the outer surface of the cell membrane. Retains crystal violet stains. Lack an outer membrane and a periplasmic space. Gram-negative Bacteria Cell wall is thinner, but more complex. Only 10-20% peptidoglyc...

CONTENTS How to use this Lab Book – notes to teachers 9 - notes to students 12 - Practical and mathematical skills grid 13 Skills development requirements 14 Mathematical requirements & exemplifications 16 Glossary of terms 19 Suggested templates for skills development 21 (research, planning, concluding & evaluating) Data Tables 27 Significant figures 28 Uncertainties 29 Graphs/Bar Charts/Histograms 32 Biological drawings 41 Statistical tests 43 PART 1 AS and A-Level Investigati...

Abductor muscles - ANSWER-Muscles that separate the fingers Acid-balances shampoos - ANSWER-Shampoos that are balanced to the P. H. of hair and skin. 4.5 to 5.5 Acid-balanced waves - ANSWER-Perms with 7.8 to 8.2 P. H. range that process at room temperature and do not require hair-dryer heat Acids - ANSWER-Solutions that have a P. H. below 7.0 Acne - ANSWER-Skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions Acquired immunity - ANSWE...

Tennessee Cosmetology State Board 1 Exam 458 Questions with Verified Answers Which cut holds less weight, layered or graduated? - CORRECT ANSWER layered Most people have become successful through what 3 aspects? - CORRECT ANSWER Self motivation, energy, and persistance How does extremely curly hair grow? - CORRECT ANSWER In long twisted sprials Wet hair with normal elasticity will stretch up to what percent? - CORRECT ANSWER 50% The technique used to free up the dominant cutting h...

What is an example of an organic substance? - ANSWER-Plastic What is the simplest form of chemical matter? - ANSWER-Element How are elements identified? - ANSWER-By letter symbols What is it called when a chemical changes its state but not its composition? - ANSWER-Physical change What is an example of a liquid? - ANSWER-Serum What is the most abundant element found on earth? - ANSWER-oxygen What is the general composition of air by volume? - ANSWER-One part oxygen and four par...

Restriction Enzyme (Restriction Endonuclease) correct answers An enzyme produced chiefly by certain bacteria, having the property of cleaving/cutting/digesting DNA molecules at or near a specific sequence of bases. Spectrophotometer correct answers Used to measure protein or DNA concentration; an apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances. Horizontal Gel Electrophoresis Box correct answers Used to ...

Milady Esthetics State Board QUESTIONS AND ANSWERS OSHA - CORRECT ANSWERS Occupational Safety & Health Administration MSDS - CORRECT ANSWERS Material Safety Data Sheet EPA - CORRECT ANSWERS Environmental Protection Agency; registers all types of disinfectants sold Infection Control - CORRECT ANSWERS Methods used to eliminate or reduce the transmission of infectious organisms that enter the body Bactericidal - CORRECT ANSWERS...