g The Jar test is implemented as a venue to identify the optimum coagulant dose for Alum (as decsribed in section 6-2 of the textbook. The Jar Test identifies the optimum alum dose as 25 mg/L. Determine the alkalinity of the raw water (before alum addition) if the water maintains an alkalinity as 45 mg/L as CaCO3 after sedimentation of the solids.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !