General Knowledge : : Chemistry Questions & Answers
- Which of the following element is not a group 18 element of the periodic table?
A. Neon
B. Helium
C. Copper
D. Xenon
- Which one of the following acids is used in battery?
A. Hydrochloric acid
B. Hydrofluoric acid
C. Sulphuric acid
D. Sulphurous acid
- Which fibre is known as artificial silk?
A. Cotton
B. Rayon
C. Terylene
D. Acrylic
- What is the first element in the periodic table?
A. Hydrogen
B. Helium
C. Lithium
D. Zinc
- What is the pH value of pure water?
A. 7
B. 6
C. 5
D. 8