Question

1) The official key of the Nigerian National anthem is

A. F
B. G
C. A
D. C
2) Which of these instruments produces musical notes by pulling out a slide?
A. Violin
B. Recorder
C. Horn
D. Trumpet
E. Trombone
3) Which note is sharpened in the key of G?
A. F
B. C
C. G
D. B
4) What is the effect of a sharp beside a note? It
A. Lowers the note by a semitone.
B. Raises the note by a tone.
C. Raises the note by a semitone.
D. Lowers the note by a tone.

Answer 1

1=G

2=A

3=F

4=C

Step-by-step explanation:

I'm not really sure of number one but I'm sure of the rest.