1)What is the chemical nature of 'lime water' ?
2)Name the acid present in grapes
3)Name a food item that is a source of oxalic acid
4)List the three naturally occurring indicators
Answers
Explanation:
1.Limewater is the common name for a dilute aqueous solution of calcium hydroxide. Calcium hydroxide, Ca(OH)2, is sparsely soluble at room temperature in water (1.5 g/L at 25 °C).
2.The principal organic acids found in grapes are tartaric, malic, and to a small extent, citric.
3.Foods High in Oxalate
Foods High in OxalateBeet greens.
Foods High in OxalateBeet greens.Rhubarb.
Foods High in OxalateBeet greens.Rhubarb.Spinach.
Foods High in OxalateBeet greens.Rhubarb.Spinach.Beets.
Foods High in OxalateBeet greens.Rhubarb.Spinach.Beets.Swiss chard.
Foods High in OxalateBeet greens.Rhubarb.Spinach.Beets.Swiss chard.Endive.
Foods High in OxalateBeet greens.Rhubarb.Spinach.Beets.Swiss chard.Endive.Cocoa powder.
Foods High in OxalateBeet greens.Rhubarb.Spinach.Beets.Swiss chard.Endive.Cocoa powder.Kale.
4.Turmeric, china rosa, red cabbage and grape juice.