Which method is employed to separate minor quantities of multiple dissolved solids in a solution?
Chromatography is a versatile laboratory technique used to separate mixtures. This method involves dissolving the mixture in a mobile phase that moves through a stationary phase. Different components of the mixture travel at varying speeds due to differences in their properties, facilitating effective separation.
An Aeroplane flies along a Square field @ 50, 100, 200 and 400 km/hours respectively. Then find the Average speed of the aeroplane during the whole jour...
A man travelled a distance of 47 km in 6 hours. He travelled panly on foot at a speed of 6(1/2) km/h and the rest on bicycle at a speed of 8(1/2)km/h. T...
A person has to travel a distance of 30 km. He finds that he has covered 5/6 of the distance in 3 hours and 20 minutes. what is his speed in km/h?
In a 1200-metre race, 'Karan' beats 'Arjun' by '240' metres and 'Veer' by '360' metres. If 'Arjun' and 'Veer' participate in a 600-metre race, and 'Veer...
A train covers a certain distance at a speed of 24 km/h and the next same distance with a speed of 30 km/h and the next same distance with a speed of 40...
A thief is spotted by a policeman from 500 m. When the policeman starts chase, the thief also starts running. Assuming that the speed of the thief is 10...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 27.5 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average ...
A traveler moves a distance in three intervals. In the first 'u - 15' km, he travels at 20 km/h, in the next 'u' km at 40 km/h, and completes the journe...
Axar covered 1/4th of the total distance at a speed of 25 km/hr. Then, he covered (1/2) of the remaining distance at a speed of 30 km/hr, and the rest o...
Sheetal rides a bike at an average speed of 40 kmph and reaches her destination in 5 hours. Hemlata covers the same distance in 4 hrs. If Sheetal increa...
