One of the buffers that contribute to pH stability in human blood is carbonic acid (H2CO3). Carbonic acid is a weak acid that, when placed in an aqueous solution, dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+). (See figure.)

If the pH of blood drops, one would expect ________.

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#Question id: 11859

#General Aptitude

Six bells commence tolling together and toll at intervals of 2,4,6,8,10,and 12 seconds respectively . In 30 minutes , how many times do they toll together ?

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#Question id: 11860

#General Aptitude

The traffic lights at three different road crossing change after every 48 sec , 72 sec, and 108 sec. Respectively . If they all change simultaneously at 8 : 20 : 00 hours , then at what time will they again change simultaneously ?

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#Question id: 11861

#General Aptitude

Four metal rods of lengths 78 cm , 104 cm , 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible . What is the maximum number of pieces that can be cut ?

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#Question id: 11862

#General Aptitude

The LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is 189, the other number is

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#Question id: 11863

#General Aptitude

The product of two co-prime numbers is 117. Then their LCM is

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#Question id: 11864

#General Aptitude

The LCM of three different numbers is 120. Which of the following cannot be their HCF?