Question
Which of the following is NOT a property of
acids?Solution
Acids are sour in taste, conduct electricity, turn the pink color of phenolphthalein to colorless, and lose their acidity when mixed with a base.
Tap A and Tap B fill a drum of volume 408 liters in 12 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
A tank can be filled by a tap in 10 minutes and by another tap in 30 minutes. Both the taps are kept open for 5 minutes and then the first tap is shut o...
Three pipes P, Q and R which are used to fill a tank. Each of the three pipes can be used either as an inlet pipe or as an outlet pipe. Each of the pipe...
- Tap 'A' can fill a tank 'X' in 12 minutes while it takes 18 minutes when there is a leakage tank 'Y'. If tap 'B' is 33(1/3)% less efficient than tap 'A', t...
Two pipes A and B can fill a tank in (x+4) hours and (x+8) hours, respectively. Both pipes are opened together, and after 4 hours, pipe A is closed. Pip...
The efficiency of inlet pipe 'P' is 60% of the efficiency of another inlet pipe 'Q'. When both pipes are opened together, they fill a tank in 4 hours. H...
Tap A can fill a tank in 10 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 3/7 par...
Pipe A can fill a tank in 12 hours, and Pipe B can fill it in 18 hours. Pipe C can empty the full tank in 36 hours. If all three pipes are opened togeth...
Two inlet pipes, each with the same capacity, can fill an empty tank 'A' together in 20 minutes. There is also an outlet pipe that can empty 40% of the ...
Pipe P can fill half of the tank in 8 hrs 5 min and pipe Q can fill the same tank completely in 16 hrs 5 min. Another pipe R can empty the full tank in ...