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If extensive leaching of a saline-sodic soil occurs in the absence of any source of calcium or magnesium, part of the exchangeable sodium is gradually replaced by hydrogen. Such soil may be slightly acidic in nature, yet it may contain enough sodium to give it an unstable structure. Such a soil is designated as a degraded sodic soil, earlier known as degraded alkali soil.
225 ml of mixture ‘A’ contains milk and water in the ratio 2:3 respectively. If the quantity of milk in mixture ‘B’ is 25.5% more than that in m...
A mixture of milk and water contains 25% water. On adding 20 litres of water, the quantity of milk becomes 40% more than that of water. Find the initial...
A jar contains a mixture of milk and water in the ratio 10:3, respectively. If 8-litres of the mixture is taken out, then the quantity of water left in ...
A 300 ml mixture consists of cow's milk and buffalo's milk. Cow's milk contains 10% fat, while buffalo's milk contains 15% fat. The total fat content in...
A mixture of 280 ml contains milk and water in the ratio of 3:1. If 60 ml of milk and 20 ml of water are added to the mixture, fi...
A milkman mixed milk and water in an empty container in the ratio 13:8. The quantity of milk mixed was bought by the milkman at the rate of Rs. 33/litre...
In a 60-liter mixture of petrol and diesel, the ratio of petrol to diesel is given as p:1. When 8 liters of diesel is added to th...
In a mixture of 120 litres, milk was 58(1/3)% and rest was water. If (x + 15) of the mixture is taken out and add 8 litres of milk in it, then the diff...
