Question

Why sulphuric acid is called king of chemicals? why bleaching powder gives a typical smell in the air? why curd should not be kept in copper or brass vessel? during summer season , a milkman usually adds avery small amount of baking soda to fresh milk.give one reason. rain water contains electricity but distilled water does not.explain why? why a tarnished copper vessel regains its shine when rubbed with lemon? why dry HCL gas not change the color of the dry litmus paper but it turns blue litmus solution to red? does NaOH solution contain H+ ions?if yes, then why is it basic? why do we feel a burning sensation when we overeat?what is the medcine called ?give two examples

Answer 1

Sulphuric acid is called the king of chemicals becaz it is used in almost every industrial work.Curd should not be kept in copper or brass vessel becaz the lactic acid present in curd and react with copper produce harmful chemicals