. When some ice is kept in a dry glass what do you observe after a few minutes
(i) Ice starts melting
(ii) Water droplets are seen on the outside of the glass
(iii) Water starts boiling
(iv) Nothing happens
(a) (i) & (iii) (b) (i) & (ii) (c) (i) only (d) (iv) only
(b) When ice is kept in a glass it starts melting due to heat of the surrounding air. There appears on the outside of the glass tiny drops of water. These drops are the water vapours present in air which condense when they come in contact with cooler surface of the glass.