ATI TEAS 7
Chemistry
1. What is the term for a hydrocarbon chain with no double or triple bonds between carbon atoms?
- A. Saturated
- B. Unsaturated
- C. Aromatic
- D. Alkene
Correct answer: A
Rationale: A saturated hydrocarbon chain has only single bonds between carbon atoms. The other choices are associated with unsaturation or aromaticity.
2. Which state of matter has a definite shape and volume but can flow?
- A. Solid
- B. Liquid
- C. Gas
- D. Plasma
Correct answer: B
Rationale: Liquids have a definite volume but can take the shape of their container, unlike solids with fixed shapes and volumes.
3. What is the term for the reaction between an acid and a base to produce water and a salt?
- A. Combustion
- B. Neutralization
- C. Oxidation
- D. Decomposition
Correct answer: b
Rationale: Neutralization is the reaction between an acid and a base to produce water and a salt. The other choices do not accurately describe neutralization.
4. Which word choice best fits the blank: "Her research paper was riddled with _____ errors."
- A. flagrant (obvious and inexcusable)
- B. cursory (superficial)
- C. innocuous (harmless)
- D. meticulous (carefully detailed)
Correct answer: A
Rationale: Option A "flagrant," emphasizes the severity and noticeable nature of the errors.
5. What type of force allows a car to take a sharp turn while moving in a circular path?
- A. Centripetal force
- B. Tension force
- C. Frictional force
- D. Gravitational force
Correct answer: A
Rationale: Centripetal force is the force that allows an object to move in a circular path. In the case of a car taking a sharp turn, the centripetal force is directed towards the center of the circle, keeping the car moving in a curved path. Tension force is the force transmitted through a string, rope, cable, or wire when it is pulled tight by forces acting from opposite ends. Frictional force opposes the motion of an object and is not the primary force responsible for allowing a car to take a sharp turn. Gravitational force is the force of attraction between two masses and is not directly related to a car taking a sharp turn.
6. Which of the following minerals is important for bone health and is stored in bones by the skeletal system?
- A. Iron
- B. Sodium
- C. Calcium
- D. Magnesium
Correct answer: C
Rationale: The correct answer is C: Calcium. Calcium is essential for maintaining strong and healthy bones. It is a key mineral stored in bones by the skeletal system, where it provides structural support and strength. Adequate calcium intake is crucial for preventing bone diseases like osteoporosis and ensuring proper bone formation and density. Iron (A), Sodium (B), and Magnesium (D) are important minerals for various bodily functions but are not primarily responsible for bone health and storage in bones by the skeletal system.
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