Image Attributions:
Stomach Pic for Food Poisoning Thingy (https://www.flickr.com/photos/juggernautco/7149722863/) - danxoneil - License: Attribution (http://creativecommons.org/licenses/by/2.0/)
Day 221 of 365: ząbki i spać (https://www.flickr.com/photos/arekolek/15532402638/) - Arek Olek - License: Attribution (http://creativecommons.org/licenses/by/2.0/)
Baking Soda (https://www.flickr.com/photos/86639298@N02/8559675129/) - HomeSpot HQ - License: Attribution (http://creativecommons.org/licenses/by/2.0/)
Backup batteries (https://www.flickr.com/photos/122969584@N07/13779620174/) - ukCWCS - License: Attribution (http://creativecommons.org/licenses/by/2.0/)
חומצה חזקה
חומצה חלשה
ניטראלי
בסיס חלש
בסיס חזק
PH 1-3
PH 4-6
PH 7
PH 8-10
PH 11-14