how do you ask is it...?
what is the way to ask is it? examples: is it blue? is it love? is it big?
2 Answers
¿Es azul?
¿Es el amor?
¿Es grande?
You would not use a pronoun for it.
Es azul, ¿no? (Isn't it?)
Es azul, ¿verdad? (Isn't it?)
¿Está muerto? - Is it dead?
¿Hace calor? - Is it hot (the weather)?
¿Vale la pena? - Is it worth it?
et al.