

Crime Busters - Science Olympiad
Flashcard
•
Chemistry
•
8th Grade - University
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the chemical reaction that occurs when iodine comes in contact with starch?
Back
Iodine reacts with starch to form a dark purple complex, indicating the presence of starch.
2.
FLASHCARD QUESTION
Front
Which substance turns iodine dark purple?
Back
Flour is a substance that contains starch and will turn iodine dark purple.
3.
FLASHCARD QUESTION
Front
What is acid rain and what causes it?
Back
Acid rain is precipitation that contains high levels of sulfuric and nitric acids, often caused by emissions from burning fossil fuels.
4.
FLASHCARD QUESTION
Front
Which substance is known to dissolve under acid rain?
Back
Calcium carbonate is known to dissolve under acid rain.
5.
FLASHCARD QUESTION
Front
What is the study of blood spatter patterns called?
Back
The study of blood spatter patterns is known as forensic bloodstain pattern analysis.
6.
FLASHCARD QUESTION
Front
What is the term for the study of fingerprint identification?
Back
Dactyloscopy is the technical term for the study of fingerprint identification.
7.
FLASHCARD QUESTION
Front
What is chromatography?
Back
Chromatography is a technique used to separate mixtures into their individual components.
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