Dichromate - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Dichromate? On this page you'll find 178 study documents about Dichromate.
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Histotechnology - Tissue Fixation 2024 passed
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Histotechnology - Tissue FixationAdditive fixatives 
Mercuric chloride 
Chromic acid 
Picric acid 
Formaldehyde 
Glutaraldehyde 
Osmium tetroxide 
Potassium dichromate 
Glyoxal 
Zinc salts 
 
 
Nonadditive fixatives 
Alcohols 
Acetone 
Acetic Acid 
 
 
Coagulant Fixatives 
Mercuric acid 
Chromic acid 
Picric acid 
Zinc salts 
Alcohols 
Acetone 
Acetic acid 
 
 
Noncoagulant Fixatives 
Formaldehyde 
Glutaraldehyde 
Osmium Tetroxide 
Potassium Dichromate 
Glyoxal 
 
 
Are coagulant fixatives addit...
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Water Chemistry TOP Study Guide Exam Questions and CORRECT Answers
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BOD (biological oxygen demand)measure of how quickly bio-organisms consume 
oxygen in a water sample 
COD (chemical oxygen demand)faster way to measure oxygen demand in a sample; 
indirectly measure amount of bio-matter in the water sample 
Dichromate ion dissolved in sulfuric acid 
Percent of Earth's water than is seawater97% 
Amount freshwater trapped in glaciers3/4ths 
Groundwaterwater located beneath the Earth's surface (often more than 1 km down)
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Chemistry 121 Exam #1 Questions and Answers 100% Pass
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Chemistry 121 Exam #1 Questions and 
Answers 100% Pass 
Hydroxide - Correct Answer ️️ -OH- 
Acetate - Correct Answer ️️ -C₂H₃O₂⁻ 
Nitrate - Correct Answer ️️ -NO₃⁻ 
nitrite - Correct Answer ️️ -NO₂⁻ 
Oxide - Correct Answer ️️ -O²⁻ 
Sulfide - Correct Answer ️️ -S²⁻ 
Sulfite - Correct Answer ️️ -SO₃²⁻ 
Sulfate - Correct Answer ️️ -SO₄²⁻ 
Carbonate - Correct Answer ️️ -CO₃²⁻ 
Chromate - Correct Answer ️️ -CrO₄²⁻ 
Dich...
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Histotechnology - Fixatives, Stains questions well answered graded A+ 2023/2024
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Histotechnology - Fixatives, StainsAdditive fixatives - correct answers Chemically link, add themselves on to tissue and change it 
- Mercuric chloride 
- Chromium tetroxide 
- Zinc sulfate 
 
Nonadoptive fixatives - correct answers Organic compounds that act on tissue without chemically combining with it 
- Acetone 
- Alcohols 
 
Dissociate bound water molecules from tissue protein groups 
- Shrinkage, hardening with overexposure 
 
Coagulant fixatives - correct answers Establishes a network in...
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OCR A Level Chemistry A (H432) Chemistry B (H433)
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OCR A Level Chemistry A (H432) Chemistry B (H433)Ethanol is oxidised to ethanoic acid using acidified potassium dichromate(IV) solution. The reaction 
is heated under reflux using the equipment shown in the diagram below. 
What is the reason for heating under reflux? 
A. to ensure even heating 
B. to prevent any substances escaping 
C. to boil the mixture at a higher temperature 
D. to allow efficient mixing 
Your answer 
[1] 
2. A chemist compares the rates of hydrolysis of 1-chloropropane and ...
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CSMLS Histology Fixation Questions and Answers with complete solution
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The primary purpose of fixation is to: 
a. stop enzymatic action 
b. remove the water from the tissue 
c. provide support for the tissue 
d. autolyze the tissue - Answer-a. enzymes are proteins and rendered inactive by fixation 
Which of the following fixatives contains picric acid, formalin and acetic acid 
a. Zenker 
b. Helly 
c. Bouin 
d. Zamboni - Answer-c. Bouin 
The ratio of fixative to tissue should be 
a. 1:2 
b. 5:10 
c.15:20 
d. 25:50 - Answer-c. 15 times to 20 times 
Tissue must be wa...
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Histotechnology - Tissue Fixation Question and answers already passed 2023/2024
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Histotechnology - Tissue Fixation Question and answers already passed 2023/2024 
Additive fixatives 
Mercuric chloride 
Chromic acid 
Picric acid 
Formaldehyde 
Glutaraldehyde 
Osmium tetroxide 
Potassium dichromate 
Glyoxal 
Zinc salts 
 
 
Nonadditive fixatives 
Alcohols 
Acetone 
Acetic Acid 
 
 
Coagulant Fixatives 
Mercuric acid 
Chromic acid 
Picric acid 
Zinc salts 
Alcohols
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Chem 1311 Exam 2 ACC Professor Rahman Questions With Complete Solutions
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Propane (C₃H₈) reacts with oxygen in the air to produce carbon dioxide and water. In a particular experiment, 38.0g of Carbon Dioxide are produced from the reaction 22.05g of propane with excess oxygen. What is the % yield in this reaction? 
 
-94.5 
-66.0 
-86.4 
-38.0 
-57.6 correct answer: 57.6 
 
Gaseous argon has a density of 1.40 g/L at standard conditions. How many argon atoms are in 1.00L of argon gas at standard conditions? 
 
-4.76x10²² 
-6.02x10²³ 
-3.43x10²⁵ 
-1.59...
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HTL Prep questions with correct answers
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The primary purpose of fixation is - Answer To stop enzymatic action 
 
Which fixative contains picric acid, formalin, and acetic acid? - Answer Bouin 
 
The volume of fixative should exceed the volume of the tissue by - Answer 15-20 times 
 
Tissue must be washed in water after fixation in - Answer Zenkers 
 
Which fixative contains formalin, potassium dichromate, and mercuric chloride? - Answer Helly 
 
Precipitate left in tissues that have been fixed in solutions containing mercuric...
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CHM 1100C QUIZ 3 with 20 Updated Questions and Answers Graded A+;Rasmussen College
- Exam (elaborations) • 8 pages • 2024
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CHM 1100C QUIZ 3 with 20 Updated Questions and Answers Graded A+;Rasmussen College 
 
 
 
CHM 1100C QUIZ 3 with 20 Updated Questions and Answers Graded A+;Rasmussen College 
 
 
 
1.	What is the molecular formula for strontium hydroxide? 
a.	Sr (OH )2 
b.	Ba( OH )2 
c.	S e (OH )2 
d.	S t (OH )2 
2.	Xylose is a carbohydrate that contains carbon, hydrogen, and oxygen. The empirical formula of Xylose is CH2O, and its molar mass is 150.1g/mol. Find the molecular formula of Xylose. 
a.	C5 H 10 O5 
b....
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