when kept in copper or brass vessels,curd(and other acidic food items) reacts with copper and forms toxic compounds which may be unfit for human consumption,and may cause food poisoning. thus it is not advisable to keep curd and other acidic or sour food items in copper or brass vessels.

Why does curd react with copper?

Copper and brass metals are highly reactive in nature and when the curd is stored in them which is acidic in nature it reacts with metals displacing the hydrogen ions from the acid and liberating hydrogen gas from it.

Why should curd not be kept in brass and copper vessels Class 10?

Curd and sour substances contain acids. Acids react with metals to produce salt and hydrogen gas. So, if such substances are kept in copper container, the acid will react and the container will be corroded.

Why should curd not be kept in metal containers?

Curd and other sour substances contains acids which can react with the metals of brass and copper vessels to form toxic (poisonous) metal compounds which can cause food poisoning and damage our health.

Why does curd turn green?

If you use an unlined copper pan or an aluminum pan then the acid from the lemons will react to the copper or aluminum in your pan and could turn your lemon curd green or give it a metal taste. This is an easy fix.

Why does copper react with lactic acid?

We experimentally proved that lactic acid can react with the copper oxides surrounding copper nanoparticles to form copper lactate, which is then reduced to copper in the annealing process.

Why should curd and sour substances not be kept in brass and copper vessels answer in Hindi?

Curd and other sour substances contain acids. Therefore, when they are kept in brass and copper vessels, the metal reacts with the acid to liberate hydrogen gas and harmful products, thereby spoiling the food.

Why should curd and sour substances not be kept in brass and copper vessels *?

Why should curd and sour substances not be kept in brass and copper vessels? Answer: The curd and sour substances are acidic. They will react with brass (alloy of copper and zinc metals) and copper vessels and will spoil the vessels.

Can we store curd in metal containers?

Curd contains lactic acid. Generally, acids react with metals to form a different compound. Thus, the curd is not stored in metal containers of brass, copper, and bronze as curd can react with them and produce compounds that are toxic to human beings and unfit for human consumption.

Why should curd and sour substances not be kept in brass or copper vessels?

Why should curd and sour substances not be kept in brass or copper vessels? Both the Curd and sour substances are acids. Acids react with metals to produce salt and hydrogen gas. So, if such substances are kept in a copper container, the acid will react and the container will be corroded.

Why is curd not stored in metal containers?

Curd contains lactic acid. Generally, acids react with metals to form a different compound. Thus, the curd is not stored in metal containers of brass, copper, and bronze as curd can react with them and produce compounds which are toxic to human beings and unfit for human consumption. Answer verified by Toppr

Why are pickles and curd not stored in copper and brass utensils?

Pickels and curd are sour in taste . As we all know , that sour substance have acids . So pickels & curds contains acids . Now acid reacts with metals to produce harmful & toxic salts . So it may react with copper & brass utensils and produce toxic salts which will make food unedible . Rate! Rate! all acids are sour in nature.

Why are acids not kept in copper containers?

Acids react with metals to produce salt and hydrogen gas. So, if such substances are kept in a copper container, the acid will react and the container will be corroded. Thereby may spoil the food. Was this answer helpful?