Yes, the first word of a chapter should be capitalized.
Yes it should be capitalized.
Yes, the word "chapter" should be capitalized when it is used as part of a specific chapter title or heading in a book or document.
Yes, the "c" in "Chapter 10" should be capitalized in a sentence as it is part of a proper noun, which is the specific title of a chapter in a book.
Yes! But if you were saying "the fifth chapter", you wouldn't capitalize it.
Yes, the word "chapter" is not capitalized unless it is part of a title or heading.
Yes, the chapter on climate change in the book is properly capitalized.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
Yes it should always be capitalized.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
No it should not be capitalized.