Options:
A. Opera
B. Ballad
C. Novel
D. Symphony
Correct Answer: A. Opera

Options:
A. Opera
B. Ballad
C. Novel
D. Symphony
Correct Answer: A. Opera

Options:
A. Europe
B. Australia
C. Africa
D. India
Correct Answer: B. Australia

Options:
A. Pyrite
B. Magnesite
C. Pyrolusite
D. Haematite
Correct Answer: D. Haematite

Options:
A. Fat
B. Plump
C. Slender
D. Beautiful
Correct Answer: C. Slender

Options:
A. Iron
B. Sodium
C. Calcium
D. Proteins
Correct Answer: B. Sodium

Options:
A. Fork
B. Metal
C. Cutlery
D. Cut
Correct Answer: C. Cutlery

Options:
A. Dictionary
B. Library
C. Encyclopaedia
D. Atlas
Correct Answer: B. Library

Options:
A. Extraction
B. Bleaching
C. Metallurgy
D. Allotropy
✅ Correct Answer: B. Bleaching
Options:
A. Lead
B. Magnesium
C. Iron
D. Copper
✅ Correct Answer: D. Copper
Options:
A. Cancer
B. Blisters
C. Mutation
D. Ozone
✅ Correct Answer: D. Ozone