Question
Microbe involved in biological oxidation of ammonium ion
to nitrite ion isSolution
Conversion of ammonium ion to nitrite ion is done by nitrosomonas during nitrification.
A solution contains 30L of pure milk. 10% of his this is taken out. Another 15% of the remaining solution is taken out and finally 20% of the contents ...
4, 14, 44, 134, ?, 1214
A shopkeeper offers successive discounts of 20% and 10% on a product. If the marked price of the product is ₹1000, what is the selling price?
A man sold one shirt and one t-shirt for Rs. 4000 on shirt he gained 21% and he lost 14% on t-shirt. If overall profit is 7%, then cost price of t-shirt is
In a Mixture, the ratio of Milk and Water is 7: 5. If 12 litre mixture drawn off and replace by 8 litre water then the ratio of Milk and Water become 1...
Ratio of present ages of mother and her son is 21:10 respectively. Father’s present age is 17 years more than that of mother. If the present average a...
In a Mall parking, there are some two wheelers and rest are four wheelers. If wheels are counted, there are total 120 wheels but according to the charge...
11kg of tea costing Rs. 440 per kg is mixed with 14 kg of tea costing Rs. 360 per kg. The average price per kg of the mixed tea is
A vessel contains 50 liters of a solution with 40% acid. 10 liters of this solution are removed and replaced with a solution containing 70% acid. The pr...
In jar 1, 280litres of milk was mixed with 50 litres of water. Some of the mixture was taken out from Jar 1 and put into Jar 2. When 36 litres of milk ...
