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Yogita Ingle 7 years, 5 months ago
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Acid |
Base |
|
An acid is any chemical compound once dissolved in water produces a solution with hydrogen ion activity more than purified water |
A base is an aqueous substance that could absorb hydrogen ions. |
| Relies on the concentration of the hydronium ions | Relies on the concentration of the hydroxide ions |
| Would depend upon the temperature acids would look solid, liquid or in the form of gas. It would also have a sour taste. | Bases would feel slippery and solid in nature except ammonia which is gaseous. It would have a bitter taste. |
| Acids would release hydrogen ions (H+) when mixed with water | Bases would release hydroxide ions(OH-) when mixed with water |
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Yogita Ingle 7 years, 5 months ago
Magnesium ribbon is a very reactive metal. When stored it reacts with oxygen to form a layer of magnesium oxide on its surface. This layer of magnesium oxide being a stable compound prevents further reaction of magnesium with oxygen. The magnesium is cleaned before burning in air to remove this layer so that the metal can be exposed to air properly.
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Mostafizur Rahman 7 years, 5 months ago
Resistivity=It is a property of the substance due to which a substance gives resistance to the flow of charge... every substance has different resistivity..it is expressed in ohm-meter..
Resistor= these are those substance which gives resistance to the flow of charge..
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Arbaaz Ansari 7 years, 4 months ago
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