The first Muslim king of India was Qutab-ud-Aiba. Hydrogen element was discovered by Henry Cavendish. Nitric acid was discovered by...
Friday, 3 July 2015
Thursday, 25 June 2015
Science Questions and Answers_7 Grade
Q.1 what is cell? Ans. The word cell come from Latin word “Cellula” which means small compartment. Cell is a basic unit of life, ...
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