Three statements are followed by four conclusions numbered I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
1. All parrots are doves.
2. No dove is canary.
3. All flamingoes are canaries.
Conclusions:
I. Some flamingoes are parrots.
II. No canary is parrot.
III. No parrot is flamingo.
IV. Some canaries are parrots.
Which of the following is are NOT true for ionic compounds?
The laws of reflection hold true for which of the following mirror(s)?