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Ask QuestionPosted by Jainiranjan Sanju 7 years, 9 months ago
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Yogita Ingle 7 years, 9 months ago
| Osmosis | Diffusion |
| It happens only in liquid state. | It occurs in all states of matter i.e., solids, liquids or gases. |
| It is the movement of only water or solvent from higher concentration area to lower concentration area. | Any type of substance that moves from higher concentration area to lower concentration area. |
| It is applied only for the solvent part of the solution. | Diffusion is applied for all states of matter. |
| It requires semipermeable membrane. | This phenomenon does not require semipermeable membrane. |
| Osmosis depends on the rate of reduction of free energy of one solvent. | It only depends on the free energy of the substance. |
| Influenced by the solute potential | Not influenced by solute potential |
| It is opposed by hydrostatic or turgor pressure. | Hydrostatic pressure or turgor pressure will not occur in diffusion. |
Posted by Sandeepan Das 7 years, 9 months ago
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Yogita Ingle 7 years, 9 months ago
- Rubber grips are put on bicycle handles, electrical tools and on many other tools. Increased friction helps in giving better grip on these objects.
- A surface can be made rough with the help of sand paper; in order to increase friction.
- Soles of shoes are made rough to increase friction. This helps in providing better grip on surface while walking.
- Treads of tyres are deliberately made so that a good road grip can be achieved with the help of friction.
- Holding a bottle cap with a thick towel helps in increasing friction. Increased friction makes it easier to open the bottle cap.
Posted by Sajal Garg 7 years, 9 months ago
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Yogita Ingle 7 years, 9 months ago
The property which allows a substance to be drawn into wires is called ductility. Metals show ductility. For example copper aluminium and iron can be drawn into when hot. Gold is the most ductile metal.
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Yogita Ingle 7 years, 9 months ago
When you heat air , it expands. Thermal energy put the molecules to excited state there by increasing the spaces in between .When air expands it becomes less dense. As you know that density is mass/volume , the expansion of gas decrease mass per unit volume .
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Riya Dutt 7 years, 9 months ago
it is hive which means "madhumaki ka jhata" or beehive that is where bees live and make honey.
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Posted by Harsh Agrawal 7 years, 9 months ago
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Sunita Dutt 7 years, 9 months ago
This is because manure is very effective to enrich your soil but do show results in long time but fertilizer show results in short time but there more use replinsh or destroy essential soil nutrients. Therefore the farmers prefer to use a combination of manure and fertilizer.
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Yogita Ingle 7 years, 9 months ago
Pressure is the force acting on a unit area on an object.
Pressure = Force/Area on which it acts
In this equation, force is the numerator and area is the denominator. This means that pressure is directly proportional to the applied force but inversely proportional to the area on which it is acting.
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