Q: Hydrogen gas is generated by the reaction of nitric acid and what else? A:
OPTIONS:
- gaseous iron
- martian iron
- carbon
- elemental iron
elemental iron

Q: What plays the same role in rotational motion that force plays in linear motion. A:
OPTIONS:
- efficiency
- frame
- fulcrum
- torque

Answer: torque

Question: Q: The enzyme pepsin works only in the presence of what? A:
OPTIONS:
- carbohydrates
- sodium
- oxygen
- acid
Answer: acid

input with options: Q: Ionic bonds are electrostatic attractions between two oppositely charged what? A:
OPTIONS:
- molecules
- gasses
- compounds
- ions
output: ions

Q: Q: What shape is each face of a tetrahedron? A:

OPTIONS:
- asymmetric triangle
- oval
- trapezoid
- equilateral triangle

A: equilateral triangle

Q: The most abundant formed elements in blood, erythrocytes are red, biconcave disks packed with an oxygen-carrying compound called this? A:
OPTIONS:
- plasma
- hydrogen
- pus
- hemoglobin
hemoglobin