General Knowledge : : Chemistry Questions & Answers
- Regarding the atom of a chemical element, the magnetic quantum number refers to:
A. Orientation
B. Shape
C. Size
D. Spin
- Which one of the following elements is essential for construction in nuclear reactors?
A. Cobalt
B. Nickel
C. Zirconium
D. Tungsten
- Ozone layer is present in:
A. Troposphere
B. Ionosphere
C. Stratosphere
D. Exosphere
- The characteristic odour of garlic is due to which one of the following?
A. A sulphur compound
B. A chloro compound
C. A fluorine compound
D. Acetic acid
- The most reactive among the halogens is:
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine