General Studies & Exam Prep•Updated for 2026 Competitive Exams
Water MCQS with Answers
Practice top multiple choice questions (MCQs), topic summary, and verified answers for Water MCQS with Answers. Essential for Central & State competitive examinations. Solve these high-frequency practice questions with step-by-step solutions to evaluate your preparation level.
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Practice Questions & Explanations (10 Questions)
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Q1SSC / GeneralMedium
What is the chemical formula for water?
Q2SSC / GeneralMedium
Which property of water allows it to stick to other surfaces, such as the inside of a plant's xylem vessels?
Q3SSC / GeneralMedium
At what temperature (in Celsius) is water at its maximum density?
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Q4SSC / GeneralMedium
The process by which water changes from a liquid to a gas or vapor is called:
Q5SSC / GeneralMedium
Approximately what percentage of the Earth's surface is covered by water?
Q6SSC / GeneralMedium
What percentage of Earth's water is freshwater (accessible or locked in glaciers)?
Q7SSC / GeneralMedium
The movement of water through a plant and its evaporation from aerial parts, such as leaves, is known as:
Q8SSC / GeneralMedium
Water is often called the 'universal solvent' because:
Q9SSC / GeneralMedium
Hard water is primarily caused by high concentrations of which dissolved minerals?
Q10SSC / GeneralMedium
The pH of pure water at 25°C is:
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