Q. Which of the following causes the drop of water to be in spherical shape?
✅ Correct Answer: (C)
Surface tension
General Science MCQs and Notes
Q. On a smooth glass surface , the drop of water spreads while the drop of mercury remains almost spherical. This proves that ________?
✅ Correct Answer: (A)
Cohesive forces of mercury is more than adhesive forces with glass
Q. When two mercury drops are brought into contact they form a single bigger drop to get which of the following?
✅ Correct Answer: (B)
Minimum surface area
Q. If water is heated , it vapor pressure will ______?
✅ Correct Answer: (A)
Increase
Q. Which among the following works while we wipe with a towel.?
✅ Correct Answer: (C)
capillary action
Q. A transition from the solid to gas phase with no intermediate liquid stage is called?
✅ Correct Answer: (B)
Sublimation
Q. what happens when a ship enters a Sea from a river ?
✅ Correct Answer: (A)
It rises
Q. When a barometer is taken down in a coal mine , which of the following happens with the Mercury level in the tube?
✅ Correct Answer: (A)
rises
Q. Which among the following character of mercury makes it suitable to use in barometers instead of water?
✅ Correct Answer: (D)
High density and low vapor pressure
Q. Which among the following is in action in the process of a liquid rising in the syringe when the piston is pulled up?
✅ Correct Answer: (C)
atmospheric pressure