Question

Which if the following is a base
A) substance d contains carbon hydrogen oxygen and nitrogen
b) substance b gives off OH- ions that combine with H+ ions when dissolved in water
C) substance c is formed drom the reaction of an acid and base
d) substance a gives off H+ ions that combine with OH- ions when dissolved in water

Answer 1

@Michele_Laino

Answer 2

can u please help me

Answer 3

I say B

Answer 4

do u agree michele

Answer 5

for example, the subsequent compound:
\[{\text{Ca}}{\left( {{\text{OH}}} \right)_2}\]
is a base, and when dissolved in water gives \(\text{OH}^-\) ions like below:
\[{\text{Ca}}{\left( {{\text{OH}}} \right)_2} \rightleftharpoons {\text{Ca}}_{\text{2}}^ + {\text{ + 2O}}{{\text{H}}^ - }\]

Answer 6

thanks both of you guys so much at least you guys help me and not my teacher if it is not football related it is not important he always says

Answer 7

ok! :)