Peace would be the first answer. not sure about the second
Hydrogen is a binary acid.
Can you add more detail to this question?
Don Pedro returns from speaking with Leonato and learns from Benedick that Claudio is in love with Hero. He offers to woo her for Claudio that night at the masked ball and then speak to Leonato about arranging a marriage. Claudio is thrilled with this plan and agrees to it. Therefor the answer is C
The abstract noun is C. Loyalty