Question
The number of hydro-meteorological hazards in recent
decades (drought, flood, windstorms etc):Solution
The number of reported hydro-meteorological hazards (droughts, floods, wind storms, forest fires or landslides) has significantly increased in recent decades - from 195 (1987-1998 average) to 365 per year (2000-2006 average).
Brass is made of
Which of the following is the major constituent of LPG?Â
Of the following which one pollutes the air of abig city?Â
Identify the metal which is nontoxic in nature.
Which type of fire extinguisher is used for petroleum fire?
The gas that usually causes explosions in coal mines is
Urea is a —
Bakelite is a copolymer of Phenol and
A powerful eye irritant present in smog is
Wood spirit is