Who invented “Aspirin” in 1897?

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Wood is the main raw material for the manufacture of ____________?

A. Paint B. Gun powder C. Paper D. Ink...

The Stevenson screen contains all of these EXCEPT:

A. Wet bulb thermometer B. Maximum thermometer C. Ordinary thermometer D. Anemometer...

A group of elephants is called___________?

A. ZEAL B. Herd C. MOB D. TOWER...

A bird that can fly backwards?

A. Bat B. Humming Bird C. Crimson Sun Bird D. Cardinal Bird...

Mohs’ Scale” is used to indicate the_________?

A. Degree of hardness of minerals B. Degree of viscosity of a liquid C. Degree of elasticity of a material D. Degree of brittleness of a substance...