Questions

What was the element used in traditional thermometers which is highly toxic in nature?

Which battle led to the downfall of the Vijayanagar empire?

During the reign of which dynasty was the Great Wall of China constructed?

Who discovered the colour photography?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
I finished my household chores (1)/ before he reached (2)/ to my place after so long. (3)/ No Error (4)

Which of the following can neither be created nor be destroyed?

The energy stored in a dry cell is in the form of

__________ acts as a shield absorbing ultraviolet radiation from the sun.