Answer:
Proper nouns: Neil Armstrong, Shahrukh Khan, Thailand, Toyota, Microsoft, Tin Tin, marigold
Common nouns: All of the rest are common nouns
Step-by-step explanation:
Neil Armstrong: A astronaut's name
Shahrukh Khan: A actor's name
Thailand: A country
Toyota: A car brand
Microsoft: A company
Tin Tin: A name
White House: A place where the US resident live
Princess Diana: A prince
Proper nouns is a specific noun for example name, country, place,etc.