Let the quantity of milk and water left in the jar be 4a litres and 3a litres, respectively According to the question, 4a – 3a = 15 => a = 15 Therefore, quantity of mixture left in the jar = 4a + 3a = 7a = 105 litres Therefore, quantity of mixture taken out = 125 – 105 = 20 litres => x = 20
The chief source of naphthalene is
The chiefsource for the production of nitrogeneous fertilizers is :
The most abundant constituent of atmospheric air is
Chemical name of bleaching powder is
“Firefighting clothes” are made from
The particle required to continue the chain process of Uranium fission is:
Of the following which one pollutes the air of abig city?
Water gas is the mixture of
Mercury is a :
Urea is a —