Hydrochloric acid (HCl) is recognized as a strong acid because it completely dissociates into hydrogen ions (H⁺) and chloride ions (Cl⁻) in water, which significantly contributes to its high acidity with a typical pH of about 1 in concentrated solutions. In contrast, acetic acid is only partially dissociative, exhibiting weaker acidic properties. Citric acid, common in citrus fruits, and carbonic acid, formed by CO₂ dissolution in water, are also weak acids, only partially releasing H⁺ ions in solutions.
The distance between Rahul's house and the gym is 60 km. When travelling at ___ km/h, Rahul reaches the gym at his usual time. However, when he reduces ...
Rafique had to cover 540 km in 24 hours. He covered the first 350 km at an average speed of 25 km/h. What should be Rafique's average speed for the rest...
Vicky and Vikram start running simultaneously around a rectangular track of length 840m from the same point at speeds of 40 km/hr and 32 km/hr. When wil...
Three runners A, B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, in another race of same type r...
Before servicing, a car runs at a speed of 28 km/hr while after servicing, it runs at a speed of 56 km/h. After servicing the car covers a certain dista...
A driver of an army truck sees an ambulance 80 meters ahead of him. After 10 seconds the ambulance is 70m behind. If the speed of the truck is 104kmph, ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 9 km/hr, respectively. If the distance covered by ‘A...
Ratio of speeds of ‘A’ and ‘B’ is 3:5, respectively. If they participate in a 400-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
Train A takes 45 minutes more than train B to travel a distance of 450 km. Due to engine trouble speed of train B falls by a quarter, so it takes 30 min...
Speed of a car and a bus is 24 km/h and 14 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
