General Science - Questions and Answers

101. Which of the following is not believed to be one of the gases present on the primitive earth ?

102. The element required for solar energy conversion is

103. When a constant force is applied to a body, it moves with uniform

104. Four identical kettles, having the same amount of water, have basesmade of different metals of same thickness. If these kettles are placed on identical flames, water will boil first in the kettle the base of which is made of

105. The first operational compound microscope was developed by