Write true or false for the following statement:Chips, Namkeen, etc., are generally packed in a nitrogen-free atmosphere.
Hence, the statement is False.
In order to prevent the spoilage of potato chips, they are packed in plastic bags in an atmosphere of :
(a) Cl2 (b) H2 (c) N2 (d) O2
Write 'true' or 'false' for the following statements:
Elements occur in a free state in nature only.
State whether the following statements are true or false.
5. Gases like nitrogen dioxide, sulphur dioxide present in atmosphere contribute to acid rain.