Bunsen burner Study guides, Class notes & Summaries

Practicals Chemistry AQA A-level Rated A+ Required Practical 1 - titration and making a standard solution Making a standard solution 1. weigh the required mass of solid using a sample bottle on a 2 dp balance. 2. transfer the solid into a beaker using distilled water to wash it out- preventing any solid remaining in the sample bottle. 3. reweigh the sample bottle and work out the difference. 4. Add 100cm3 of distilled water to the beaker to dissolve the solid (small volume of water) using a...

General Science PRAXIS 5435 Questions and Answers 100% Pass 1,000 kilometers is equivalent to how many millimeters? 1,000 km x 1,000m/km x 1,000 mm/m = 1,000,000,000 mm A ball is dropped and another ball of smaller mass is fired horizontally from the same height. Which ball hits the ground first? They will hit the ground at the same time, because the acceleration due to gravity pulls them both vertically downward at the same rate. Acceleration due to gravity Gravity pulls all obje...

G2 Gas Fitter / Technician Exam Set Prep Solution Questions And Revised Correct Answers PASSED!! What is the approximate ignition temperature of natural gas - ANSWER : 1200*F(649*C) The specific gravity of natural gas is - ANSWER : 0.6 The odorant added to natural gas for detection purposes is - ANSWER : mercaptan Major constituents of flue gases after the proper combustion of natural gas in air are: - ANSWER : CO2, H2O, N2, O2, and heat A bunsen flame is characterized by its -...

A student wants to make a solution of sodium chloride. Which piece of glassware should be used to correctly measure the amount of liquid needed to make the solution? - Graduated cylinder A student wants to find the mass of an unknown amount of calcium chloride. Which piece of lab equipment should be used to determine mass? - Balance A student needs to store a stock bottle of isopropyl alcohol, a liquid which burns easily. Where should the alcohol correctly be stored? - In the flammables sto...

Microbiology UTA - Lab Practical 1 Questions with Verified Answers Identify the structure indicated by the red arrow... fine focus adjustment knob Identify the structure indicated by the red arrow... field diaphragm lever Which of the following objectives should be used with immersion oil... 100x objective Compound microscopes are able to maintain proper focus of a specimen when moving from low power to higher power magnification due to a property known as... parfocal What two f...

Lon Capa with correct answers 2023 (UPDATED) Question and answers already passed Lon Capa with correct answers 2023 What should you do when you first pick up your inoculating loop? - correct answer Flame sterilize it from stem to loop If you have immersion oil on your slide, which objective can you not use? - correct answer 40x How do you heat fix a slide? - correct answer Pass the back of the slide through the flame of your Bunsen burner 3 times after it has air dried If you held ...

MCB2010 Lab HW and study guide for quiz 1 and midterm Exercise1 -Answer-Exercise1 1. All of the organisms we work with are pathogenic... A. TRUE B. FALSE -Answer-B. FALSE 2. All of the organisms we work with should be handled as if they are pathogenic A. TRUE B. FALSE -Answer-A. TRUE 3. All of the organisms we work with should be handled as if they are opportunistic A. TRUE B. FALSE -Answer-A. TRUE 4. Wash hands with disinfectant and wipe bench tops with soap and warm water before st...

and observe mass and volume measurement. OBSERVATION & RESULTS: Beaker – wide mouth glass container, most familiar piece of equipment that we work with Flask – glass, narrow opening at the top, better suited for pouring, 1L flask is Erlenmeyer flask, and some have side arms to filter things by suction Volumetric flask – white line that goes around neck of flask which indicates 250ml, used to contain volume Gravity funnel – plastic, regular funnel Suction funnel - Suction, sucks t...

Microbiology Lab Exam 2 – Questions & Answers (100% Correct) Microbiology Lab Exam 2 – Questions & Answers (100% Correct) What three color pencils are needed? - ANSWER - blue, red, green How are endospores freed form the vegetative cell in which they form? - ANSWER - released when losses the surrounding sporangium What drugs are used to treat tuberculosis? - ANSWER - rifampin, isoniazid, ehtambutol, and pyrazinamide What drugs are used to treat leprosy? - ANSWER - rifampin Wh...

MCB2010 Lab HW and study guide for quiz 1 and midterm Exercise1 -Answer-Exercise1 1. All of the organisms we work with are pathogenic... A. TRUE B. FALSE -Answer-B. FALSE 2. All of the organisms we work with should be handled as if they are pathogenic A. TRUE B. FALSE -Answer-A. TRUE 3. All of the organisms we work with should be handled as if they are opportunistic A. TRUE B. FALSE -Answer-A. TRUE 4. Wash hands with disinfectant and wipe bench tops with soap and warm water before st...