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Active acidity refers to the H+ ion concentration in solution while the un-dissociated acid is considered potential acidity. In case of strong acids, 100 % dissociation occurs when it is added in water which means that the active acidity of the acid will be more. And pH measure active acidity
'A' starts a journey and covers the first half of the total distance at a speed of 15 km/hr. Then, he travels half of the remaining distance at 5 km/hr ...
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...
A car covers its journey at the speed of 80 km/hr in 10 hours. If the same distance is to be covered in 4 hours, by how much the speed of the car will h...
A car rental service charges ₹500 for the first 100 kilometers and ₹8 for each additional kilometer. If a customer drives 150 kilometers in a day an...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 217.5 km away, then the usual speed of...
A person crosses a 600-metre-long street in 10 minutes. The speed of the person, in km/h, is:
A superbike takes 84 minutes to cover 112 km. If the speed of the superbike is decreased by 20 km/h, then find the time taken by the superbike to cover ...
A can complete a work in 15 days, and B can complete the same work in 20 days. If they work together for 6 days, what fraction of the work is left?
A, B, and C together can complete a task in 24 days. A and B together can complete it in 36 days, and B and C together can complete it in 48 days. How m...
X started to run from point ‘A’ to ‘B’ at a speed of 35 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 11 km/...
