Here are the questions for the underlined words in the specified sentences:

1. **There are six bottles of juice in the fridge.**
*How many bottles of juice are there in the fridge?*

2. **I need some butter for my pancakes.**
*How much butter do you need for your pancakes?*

3. **We have only one bottle of fish sauce.**
*How many bottles of fish sauce do we have?*

4. **We need ten chairs for the party.**
*How many chairs do we need for the party?*

5. **She put a lot of sugar in her lemonade.**
*How much sugar did she put in her lemonade?*