Which of the following is a common property of bases?

a. they react with medals to produce hydrogen gas
b. they react with baking soda to produce carbon monoxide
c. they have a bitter taste
d. they have a sour taste

Out of all given options, “They have a bitter taste” is a common property of bases.

Option C

Explanation:

When a metal dissociates into ions, the resultant ions are either positive or negative. Positive means it as lost an electron, whereas negative suggests it as gained one. When dissociated in water, bases give ion. They feel slippery too, because they used to react with acidic molecule, also.  

When the receptors in the tongue react with chemical compounds such as alkaloids or sulfamides , glucose or fructose, acids, ionized salts, glutamate, they feel it bitter, because there are adequate no of ions. Hence, the presence of ions make bases taste bitter.

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table