Question

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

1)Madame Curie

2) uranium and radium

3) emperor of Austria

4) pitchblende

Answer 2

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