Depending on the species, it can take anywhere from a few weeks to many months. Arctic species often spend close to a year in the chrysalis before emerging. The caterpillar forms the chrysalis inside of itself when it is fully grown, then sheds its skin to become the chrysalis.
The answer is correct. Thailand is formerly known as Siam, which is located in Mainland Southeast Asia. It is situated at the center of the Indochinese Peninsula and bordered by Myanmar and Laos. Thailand is listed as the 51st largest country and 20th of the most populous country in the world with a population of 66 million.
An online search shows that after a coup in 1932, Siam became a constitutional monarchy. A few years later, in 1939, it changed its name to Thailand, meaning Land of the Free, went back to the name Siam from 1945 to 1949, then became Thailand again ... Prathet Thai in the short form.