1.

Q. 2. (B) Read the passage and do the activities :B1. Name the following:(i) Scientist who discovered the properties of Uranium -(ii) Two radioactive elements discovered by Curies -(iii) An admirer of the Curies –(iv) A black very hard and expensive substance -​

Answer»

1)MADAME Curie

2) URANIUM and radium

3) EMPEROR of Austria

4) PITCHBLENDE



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