Materials for rain proof coats and tents owe their water proof properties to –

Related MCQs

• A falling drop of rain water ac-quires the spherical shape due to –
• Rainbow is seen after rain because of hanging molecules of water which act as –
• This scientist gave the law- ‘Properties of elements are a periodic function of their atomic number.’ This property of the fundamental importance of atomic number was discovered by-
• Rain drops acquire spherical shape due to -
• Rain drops acquire spherical shape due to -
• Rain drops fall from great height. Which among the following statements is true regarding it?
• If an ordinary glass tube and a glass capillary tube are 'both clipped in a beaker of water, water rises in –
• Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of :
• If ice floating on water in a vessel melts, the water level in the vessel               .
• Compared to fresh Water, the freezing point of sea water is -