Which of the following is a characteristic of an exothermic reaction?
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Which of the following devices converts Chemical energy into Electrical energy?
Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is
Who is the CEO of the Unique Identification Authority of India (UIDAI) as of February 2018?
Which of the following refers to the number of pixels per inch, printed on a page?
PM Modi's Birthday has been celebrated as ........... across India.
Slave Dynasty was founded by
What is the capital of Finland?