Dispute Act, 1947 put certain prohibitions on the right to strike. A strike may be illegal if it contravenes the provision of section 22, 23 or 24 of the Act.
Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.
Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.
Tuberculosis (TB) was the leading cause of death in the United States and one of the most feared diseases in the world during the 19th and early 20th centuries.
Formerly known as Consumption diseases because many types of lung diseases were lumped under the term 'consumption'. Lung cancer and bronchitis were examples.