Materials for rain-proof coats and tents owe their water proof properties to________?

Related Mcqs:

Which of the following planets has the smallest diameters_____?

A. Mercury B. Marx C. Pluto D. Venus...

Bleaching action of chlorine is by________?

A. Oxidation B. Reduction C. Decomposition D. Hydrolysis...

Which natural element has the highest melting point?

A. Iron B. Tungsten C. Copper D. Silver...

Unit of solid a angle is?

A. Radian B. Steradian C. Degree D. None...

Heat Transfer

Heat exchanger tubes are never made of Plain Carbon Steel Stainless Steel Lead Copper...