5390558
Descripción
Fichas por Mahamed ali Muhudin, actualizado hace más de 1 año
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Creado por Mahamed ali Muhudin
hace más de 8 años
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| Pregunta | Respuesta |
| WHAT IS ACID? | A substance that releases hydrogen ions into and aqueous solution. |
| WHATT ISSS ALKALI?? | A BASE THAT DISSOLVES IN WATER..! |
| what is alkaline solution? | a solution made of a base/alkali and water |
| what is base? | a substance that releases hyrdroxide ions |
| what is Hydrogen ion | H+, Released by acids. |
| what is Hydroxide ion? | OH-, formed by bases. |
| Litmus paper | a common indicator that turns red in the presence of an acid and blue in the presence of a base. |
| what is Indicator? | a chemical that changes colour to show whether a substance is acidic, neutral or basic |
| what is pH? | a scale used to measure the concentration of H+ ions in a solution. |
| Name 2 properties of acid. | It has sour taste, It conducts electricity. |
| Name 3 chemical properties of bases. | They are caustic, have a soapy,slimy feel. and it has a bitter taste. |
| Why does a bite from bull ant hurt? | A bite from bull ants hurt because the ant injects methanoic acid. |
| what happens when a blue litmus paper touches acid. | When acid touches the blue litmus paper it turns from blue to red |
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