MCQ for Competitive Exams
1. What is the effect on the rate of evaporation when temperature increases ? āĻāĻˇā§āĻŖāĻ¤āĻž āĻŦā§āĻĻā§āĻ§āĻŋ āĻā§°āĻŋāĻ˛ā§ āĻŦāĻžāĻˇā§āĻĒā§āĻā§ąāĻ¨ā§° āĻšāĻžā§°ā§° āĻāĻĒā§°āĻ¤ āĻāĻŋ āĻĒā§ā§°āĻāĻžā§ą āĻĒā§°ā§ ?
A. Decreases / āĻšā§ā§°āĻžāĻ¸ āĻĒāĻžāĻ¯āĻŧ B. Increases / āĻŦā§āĻĻā§āĻ§āĻŋ āĻĒāĻžāĻ¯āĻŧ C. Remains the same / āĻāĻā§ āĻĨāĻžāĻā§ D. Becomes zero / āĻļā§āĻ¨ā§āĻ¯ āĻšā§ āĻ¯āĻžāĻ¯āĻŧ
Ans / āĻāĻ¤ā§āĻ¤ā§°: B. Increases / āĻŦā§āĻĻā§āĻ§āĻŋ āĻĒāĻžāĻ¯āĻŧ
2. What happens to the rate of evaporation when the surface area increases ? āĻĒā§āĻˇā§āĻ ā§° āĻā§āĻˇā§āĻ¤ā§ā§°āĻĢāĻ˛ āĻŦā§āĻĻā§āĻ§āĻŋ āĻĒāĻžāĻ˛ā§ āĻŦāĻžāĻˇā§āĻĒā§āĻā§ąāĻ¨ā§° āĻšāĻžā§° āĻāĻŋ āĻšāĻ¯āĻŧ ?
A. Increases / āĻŦā§āĻĻā§āĻ§āĻŋ āĻĒāĻžāĻ¯āĻŧ B. Decreases / āĻšā§ā§°āĻžāĻ¸ āĻĒāĻžāĻ¯āĻŧ C. Remains constant / āĻ¸ā§āĻĨāĻŋā§° āĻĨāĻžāĻā§ D. Stops / āĻŦāĻ¨ā§āĻ§ āĻšā§ āĻ¯āĻžāĻ¯āĻŧ
Ans / āĻāĻ¤ā§āĻ¤ā§°: A. Increases / āĻŦā§āĻĻā§āĻ§āĻŋ āĻĒāĻžāĻ¯āĻŧ