Which of the following is used in water purification?
Correct answer: A. Reverse Osmosis
- A. Reverse Osmosis
- B. Osmosis
- C. Cytolysis
- D. Turgor Pressure
Explanation
Reverse osmosis forces water through a semipermeable membrane under pressure, leaving many dissolved salts and contaminants behind. Ordinary osmosis occurs naturally in the opposite direction and is not the usual purification method.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Chemistry in Daily Life
Chemical principles appear in acids, bases, salts, solutions, oxidation, combustion, corrosion and neutralisation, along with the composition and uses of common substances. Coverage includes soaps and detergents, fertilizers, medicines, food preservatives, polymers, fuels and water treatment, while distinguishing physical changes from chemical reactions.
Practise Chemistry in Daily Life
305 free Chemistry in Daily Life MCQs from Everyday Science, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Everyday Science questions like this
Everyday Science is on 40 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Chemistry in Daily Life questions
lightest metal is__________?
A colloidal system in which a liquid is dispersed into a liquid is called_________?
Which metal is pure conductor of electricity?
___________ is a strong smelling agent added to LPG cylinders to detect leakage?
The heaviest man made element found so for is__________?
The heaviest naturally-occurring element is_________?