Curd and other sour substances should not be kept in brass and copper vessels because these materials react with acids to produce toxic compounds that can be harmful to human health. Brass is an alloy composed mainly of copper and zinc, while copper is a pure metal.

Metal + Acid → Salt + Hydrogen Lactic acid is an organic acid that contains the -COOH group. Hence, it is a weak acid due to the presence of this group. Lactic acid develops in cow milk because of the breaking down of bacteria. Fresh milk does not contain lactic acid. Dairy products such as yogurt, cheese and condensed milk contain lactic acid.

Polish Copper and Brass to an eye-tingling sheen!If you like shiny stuff, watch this and see how easy it is to shine metal with lemon and salt.Notice that I.

Hindi meaning of brass brass / noun / पीतल; तांबा; कांसा; तूर्य; Synonym bronze; copper; composition metal; basset horn; Next : brassiere Previous : brandy English Dictionary: 1. Brass [n.] - An alloy (usually yellow) of copper and zinc, in variable proportion, but often containing two parts of copper to one part of zinc.

Brass is an alloy metal that is made of copper and zinc. Due to brass's unique properties, which I'll go into more detail on below, it is one of the most widely used alloys. Because of its versatility, there are seemingly endless industries and products making use of this alloy.