Questions

When iron is exposed to moist air, a reddish brown coating of hydrated Iron (III) Oxide (Fe2O3) is deposited on its surface. This reddish brown coating is called

'Vallam Kali Boat Race' is held in which state?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

How can any ____________ person hope to know what thoughts transpire in so evil a mind?

In which year was Bombay Stock Exchange (BSE) established?

Which article was referred to as the 'the heart and soul' of the constitution by Dr. B. R. Ambedkar?

Mangifera indica is the scientific name of

At which place a joint military exercise ‘Yudh Abhyas’ was held in September 2017 between United States and Indian army?

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?