Questions

Who invented Dynamite?

Iron and manganese present as pollutants in water cannot be removed by_____

Give an example of a salt which gives an aqueous solution of pH less than 7.

The Line of Cancer passes through how many states of India?

Gugga Naumi is a religious festival in connection with snake­worship. This festival is of which state?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
Spick and Span

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.
My sister unlike my brothers __________ to have a career in Engineering.

In which industry Potassium Nitrate is used commercially?