Explanation:

All the statements are correct.
Raja Ram Mohan Roy:
1) He translated the Vedas and Upanishads into Bengali, Hindi, and English and wrote summaries and treatises on them. For him, the central theme of those texts was the worship of the Supreme God who is beyond human knowledge and who supports the universe. In 1824, in appreciation of his translations, the French Societe Asiatique elected him to an honorary membership
2) He was a polyglot who had mastered various languages such as Sanskrit, Persian, Arabic, English, Bengali and Hindi
3) He was the founder of the Brahma Samaj, which played a major role in reforming and modernising the Indian society
4) He formed the Atmiya Sabha as a philosophical discussion circle to debate monotheistic Hindu Vedantism and similar subjects
5) He was against idol worship and orthodox Hindu rituals
6) He denounced the caste system
7) He also attacked the custom of Sati, the custom of burning of widows upon the funeral pyres of their deceased husbands). His endeavours lead to the prohibition of Sati in 1829
8) He established the Anglo-Hindu school in the year 1822
9) In 1829, he visited England as the unofficial representative of the titular king of Delhi. The king of Delhi granted him the title of 'Raja'
10) He was the first Indian to apply to the Indian environment the fundamental social and political ideas of the French and American revolutions.