Yes.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Exxon is a proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
Proper noun
Yes, the noun badminton is a common noun, a general word for a type of sport.
Yes.
Yes.
For badminton, you need at least two badminton racquets, shuttlecocks (or birdies), a net or badminton string, and proper clothing and tennis shoes.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Pencil proper or common noun
proper noun
Exxon is a proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
proper noun
Proper noun
It is a proper noun, because it is the name of a specific thing.