Chemistry hhw
Storyboard Tekst
- Glide: 1
- Sumit DevClass XCROLL NO. 41
- Glide: 2
- -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 ??
- PAGE NO. 2.
- Glide: 3
- 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??
- PAGE NO. 3.
- Glide: 4
- 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 ??
- PAGE NO.4.
- Glide: 5
- 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 .
- PAGE NO.5
- Glide: 6
- HOW BASE CAN NEUTRALISE THE ACID??
- PAGE NO. 6
- Glide: 0
- WHEN ACID AND BASE REACTS TO FORM H20+ SALT AND INVOLVES COMBINATION OFH+ OH- TO GENERATE WATERTHIS IS NEUTRALISATION REACTION
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