Which of the following devices converts Chemical energy into Electrical energy?
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Which of the following statement is true?
Which Article specifies the Fundamental Duties of every citizen?
Which one of the following is not a borderline element?
When two liquids do not mix with each other to form a solution, what is it called?
Organisms that use light to prepare food are known as _____.
Which acid is secreted by certain glandular cells in the stomach lining?
First Indian woman to get Bharat Ratna.