Questions

Who discovered the Cholera causing germ?

Who discovered radioactivity?

In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

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.

The reactions in which oxidation and reduction occur simultaneously are called _______.

Pentlandite is an ore/mineral of _______.

Which gas is released when water is added to bleaching powder?

The property of metals by which they can be beaten into thin sheets is called _______________.