Ques: Q: If no unbalanced force acts on an object the object remains at constant velocity or what? Choices: - rotating - constant - constant movement - at rest A:
Ans: at rest

Ques: Q: What does increasing a solute's temperature do? Choices: - increases its viscosity - decrease its solubility - no change - increases its solubility A:
Ans: increases its solubility

Ques: Q: Hybrid orbitals are formed only in which type of bonded atoms? Choices: - ionically - partially - thermally - covalently A:
Ans: covalently

Ques: Q: Enthalpy changes are measured by using what? Choices: - fluorescence - inversion - infraction - calorimetry A:
Ans:
calorimetry