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 ?
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.
Similar Questions
Write word equations and then balanced equations for the reaction taking place when -
$(a)$ dilute sulphuric acid reacts with zinc granules.
$(b)$ dilute hydrochloric acid reacts with magnesium ribbon.
Write word equations and then balanced equations for the reaction taking place when -
$(a)$ dilute sulphuric acid reacts with zinc granules.
$(b)$ dilute hydrochloric acid reacts with magnesium ribbon.
Name the sodium compound which is used for softening hard water.
Name the sodium compound which is used for softening hard water.
How is the concentration of hydronium ions $(H_3O^+)$ affected when a solution of an acid is diluted ?
How is the concentration of hydronium ions $(H_3O^+)$ affected when a solution of an acid is diluted ?
Name the substance which on treatment with chlorine yields bleaching powder.
Name the substance which on treatment with chlorine yields bleaching powder.
Equal lengths of magnesium ribbons are taken in test tubes $A$ and $B$. Hydrochloric acid $(HCl)$ is added to test tube $A$, while acetic acid $(CH_3COOH)$ is added to test tube $B$. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why ?
Equal lengths of magnesium ribbons are taken in test tubes $A$ and $B$. Hydrochloric acid $(HCl)$ is added to test tube $A$, while acetic acid $(CH_3COOH)$ is added to test tube $B$. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why ?