Questions

Which of the following is NOT a radioactive element?

Which of the following compounds has a double bond?

Which of the following elements has a total of 3 shells with 8 electrons in the last orbit?

Which of the following rivers flows from south to north?

The study of individual markets of demand and supply in which the 'players', or the decision makers, were also individuals (buyers or sellers, even companies) who were seen as trying to maximize their profits (as producers or sellers) and their personal satisfaction or welfare levels (as consumers) is called?

Goitre is caused by the deficiency of ___________

Why do atoms bond?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The sun hid behind a cloud and it seemed like a light (have been switched) off.