Chemistry hhw
Текст на Статията
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- Sumit DevClass XCROLL NO. 41
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- -The pH is the concentration of hydrogen ions in a solution.-The pH of blood is very exact and it is incredibly important to keep it at the ideal level.
- WHAT IS MEANT BY 'PH ' ??
- WHY IS IT IMPORTANT ??
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- pHrange goes from 0 to 14, with 7 being neutral. pH of less than 7 indicates acidity, whereas apHof greater than 7 indicates a base.
- WHAT IS THE USE OF PH??
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- Oh, well you can use an indicator, your pool should be between 7.2 and 7.8, if it is lower than 7 then it is dangerous as it it considered as acid.
- So,can I find out if my Pool has the right PH level or not ??
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- WHY OUR TEETH DECAYS??
- WHEN PH IN OUR MOUTH FALLS BELOW 5.5 , THEN OUR TOOTHS STARTS DECAYING .TOOTHBRUSH PREVENTS TOOTH DECAYING AS IT IS A BASE WHICH NEUTRALISES THE ACID IN OUR MOUTH .
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- HOW BASE CAN NEUTRALISE THE ACID??
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- WHEN ACID AND BASE REACTS TO FORM H20+ SALT AND INVOLVES COMBINATION OFH+ OH- TO GENERATE WATERTHIS IS NEUTRALISATION REACTION
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