MCQs
Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.
Correct answer
B. Gas
Explanation
Gas particles have the highest kinetic energy among the three common states of matter because they move freely and rapidly in all directions. Solid particles only vibrate in fixed positions, while liquid particles move more freely than solids but less freely than gases. Therefore, gases possess the greatest average kinetic energy.
Correct answer
A. mental diversion from unpleasant or boring aspects of daily life
Explanation
mental diversion from unpleasant or boring aspects of daily life is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 0.03 to 0.04% CO2
Explanation
0.03 to 0.04% CO2 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. zinc
Explanation
zinc is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Magnetosphere
Explanation
Magnetosphere is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. C
Explanation
C is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Acoustics
Explanation
Acoustics is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. the density of salt solution exceeds the density of eggs
Explanation
the density of salt solution exceeds the density of eggs is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Mass
Explanation
Mass is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Satellite
Explanation
Satellite is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.