Not unless there are croutons with it, they are made of wheat.
Not all food coloring brands are gluten-free. See this article in the Gluten Free category on Answers.com: http://glutenfree.answers.com/gluten-free-ingredients/gluten-free-food-coloring-brands-natural-and-artificial. You will find brands that make natural gluten-free food coloring as well as easy to find brands in your store.
There is no gluten in food coloring.
Over the past decade the demand for gluten-free food has soared and, of gluten in food and a large number of test kits are available commercially.
No, spinach is a naturally gluten-free food.
They may contain traces depending on what brand but otherwise no.
Most stores now days offer food that's gluten free. Some restaurants are now also offering gluten free food. Sometimes it is not openly stated so make sure that you always inquire.
No, gluten-free diets are void of gluten which is found in wheat. All normal wheat products like bread, cakes, biscuits etc. must be excluded unless they specifically say 'gluten free.' Health food stores and some supermarkets stock gluten-free products of your favourite food. Yeast does not contain gluten so it can be in products you can eat if you are on a gluten-free diet.
Yes.
No.
An gluten free food basket isn't that hard to find nowadays. Most specialized retail shops also offer this choice an even more common stores like Amazon have gluten free food baskets.
Gluten is found in food containing wheat, not soaps and detergents.