Integers Rules ADDITION When we ADD a POSITIVE number we move UP the number line. e.g. (-3) + 7 = 4 When we ADD a NEGATIVE number we move DOWN the number line. e.g. 2 + (-8) = -6 SUBTRACTION When we SUBTRACT a POSITIVE number we move DOWN the number line.ntegers Rules ADDITION When we ADD a POSITIVE number we move UP the number line. e.g. (-3) + 7 = 4 When we ADD a NEGATIVE number we move DOWN the number line. e.g. 2 + (-8) = -6 SUBTRACTION When we SUBTRACT a POSITIVE number we move DOWN the number line.
Commercially sold distilled white vinegar in the US is acetic acid in water, at a concentration of 5% by mass for a pH of around 2.4â2.6. If you add water to it, the pH will go up. If you distill it (vinegar is more volatile than water) the resulting distillate will have a lower pH.
White distilled vinegar is a popular household cleanser, effective for killing most mold, bacteria, and germs, due to its level of acidity. Cleaning with white distilled vinegar is a smart way to avoid using harsh chemicals. Youâll also be glad to know that it is environmentally friendly and very economical. Baking soda and vinegar kills all food germs and bacteria including E-coli and salmonella, naturally and safely. I've seen a lot of references on the Internet stating that vinegar mixed with baking soda is an effective way to disinfect mold, bacteria, etc.