âThere are a number of physical signs of kidney disease, but sometimes people attribute them to other conditions. Also, those with kidney disease tend not to experience symptoms until the very late stages, when the kidneys are failing or when there are large amounts of protein in the urine.
SULFUR DIOXIDE is acidic. Reacts exothermically with bases such as amines, amides, metal oxides, and hydroxides. Frequently used as a reducing agent although it is not a powerful one. Acts as a reducing bleach to decolorize many materials.
Reaction with water. Silicon dioxide doesn't react with water, because of the difficulty of breaking up the giant covalent structure. Reaction with bases. Silicon dioxide reacts with sodium hydroxide solution, but only if it is hot and concentrated. A colourless solution of sodium silicate is formed.