General Knowledge Questions

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.

Telecom Secretary J S Deepak was on Wednesday named India’s next Ambassador to the World Trade Organisation (WTO) from June this year. A 1982 batch IAS officer from Uttar Pradesh, Deepak, who is at present attending the World Mobile Congress at Barcelona, has been shifted with “immediate effect” from the telecom ministry and has been made Officer on Special Duty in the commerce department.

On 1 september 1939 German armies marched into poland. On 3 September Britain and France declared war on Germany.Thus the invasion of poland marked the beginning of the Second World War. The German armies completed the conquest of poland in less than three weeks as no aid reached poland. In spite of the declaration of war, however, there was little actual fighting for many months. Therefore, the war during the period from  september 1939 to April 1940 when germany invaded Narway and Denmark is known as the "Phoney War"

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