(a) The alloy which consists of copper and tin.
Bronze

(b) The device used to measure radioactivity.
Geiger-Muller tube

(c) The organ in the human body which is responsible for the digestion of protein only
Digestive Enzymes

(d) The instrument used to measure very high temperature.
Infrared pyrometers

(e) The scientist who designed the first internal combustion engine used to burn low grade fuel.
Etienne Lenoir

(f)The scientist who asserted the earth to be a huge magnet.
Ben Franklin

(g) The metal known as quick silver.
Mercury

(h) The device which converts the chemical energy into electrical energy.
Battery

(i) The first person to orbit the earth in space.
John Glenn

(j) The scientist who discovered water.
Belinda Mooney

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