Q.1 Which gas is most popular as laughing gas?
Q.2 Electromagnetic Field concept was observed and discovered by whom?
Q.3 The BrahMos Missile was developed by which country?
Q.4 The ‘Concept of Inertia’ was developed by?
Q.5 For the cultivation, name the crop required of water-logging?
Q.6 Who achieved the discovery of ‘Vitamin C’?
Q.7 What is the purest form of Iron?
Q.8 What is the name of NASA Mars Rover and when its landed on MARS?
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