Which substance is commonly used as a glassware cleaning reagent in laboratories?
Chromic acid is widely used for cleaning laboratory glassware due to its strong oxidizing properties, effectively removing organic residues.
A vessel is completely filled with milk. If 55% of the milk is replaced with water then only 106.2 ml of milk will be left in the vessel. What is the to...
An 84-litre mixture contains 75% milk. If 'x' litres of water are added to this mixture, the quantity of milk in the resulting mixture becomes 27 litres...
15 liters are drawn from a cask full of wine and then filled with water. This operation is performed two more times. The ratio of the quantity of wine n...
A container holds a mixture of two liquids, A and B, in the ratio 2:3. If the total volume of the mixture is 70 liters, how many liters of liquid A must...
145 litres of a mixture contains 40% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
420 ml of mixture ‘B’ contains only water and milk in the ratio of 7:13, respectively. If the quantity of milk in mixture ‘A’ is 20% more than t...
A container holds 'x' liters of a mixture composed of liquids A and B in a 5:2 ratio. If 25% of this mixture is removed and then 6 liters of liquid B a...
99 ml of mixture ‘P’ contains milk and water in the ratio of 7:4, respectively is mixed with 30 ml of mixture ‘Q’ containing mil...
If 4 kg of metal of which 1/3rd is zinc and the rest is copper, be mixed with 5kg of metal, of which 1/6 is zinc and the rest is copper, then...
Vessel contains 40 liters wine. If x liters of wine is taken out and replaced with water, this process is repeated two more times and then quantity of ...
