Question

Match the following words in column A with those in column B.

Column A	Column B
Marie Curie​	Safety lamp​
John Dalton​	Helium​
William Ramsey​	Nobel Prize winner ​
Sir Humphry Davy​	Atomic theory​

Answer 1

Column A​	Column B​
(a) Marie Curie​	(iii) ​Nobel Prize winner ​
(b) John Dalton​	(iv)​ Atomic theory​
(c) William Ramsey​	(ii)​ Helium​
(d) Sir Humphry Davy​	(i)​ Safety lamp​

(a) Marie curie- (iii)​

Marie Curie is the first woman to win two Nobel Prizes, one for physics (for research in spontaneous radiation) and the other for chemistry (discovery of the element radium and polonium).​

(b) John Dalton-(iv) ​

John Dalton discovered the atoms and proposed the Dalton's atomic theory ​

(c) William Ramsey – (ii)​

Inert gases (He) were discovered by William Ramsay. ​

(d) Sir Humphry Davy – (i) ​

Sir Humphry Davy designed the Davy lamp (safety lamp).