💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊
Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?
(A) Filtration
(B) Reverse Osmosis (RO)
(C) Sedimentation
(D) Distillation
✅ Correct Answer:Reverse Osmosis (RO)
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Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?
💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊
When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?
(A) Visible
(B) Transparent
(C) Invisible
(D) opaque
✅ Correct Answer:Visible
Comments
When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?