Questions

How many groups and periods are present in the Modern Periodic Table?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Any leader asked to address the plenary session of the World Economic Forum at Davos has an opportunity to do two things.
Q: The first is to pitch his (or her) country strongly to foreign companies and investors.
R: The second is to build the brand of both the individual and the country by looking at issues and concerns beyond those that just concern his or her country.
S: The world, after all, is sorely lacking in statesmen (and stateswomen) of global stature.

According to an early Indian philosopher everything is made up of ___ basic elements.

By volume, 78% of air is _______________

Which of the following is not correct?

Which of the following is a characteristic of an exothermic reaction?

A curved mirror where the reflecting surface is curved inwards is called a

__________ approves constitutional amendments.