1. What's this?

Question

- It is goggles.
- It is trousers.
- It is scissors.

2. What are these?
- They are goggles.
- They are trousers.
- They are scissors.

(Are the questions and answers all correct?)

Answer 1

Since "It" is in the answers for #1, I'd make these the answers:

It's a pair of googles.
It's a pair of trousers.
It's a pair of scissors.