General Knowledge - General Science
Exercise : General Science - Elements and Metals
- General Science - Elements and Metals
- General Science - Measurements
- General Science - Nuclear Science
- General Science - Synthetic Materials
1.
Brass gets discoloured in air because of the presence of which of the following gases in air?
2.
Which of the following is a non metal that remains liquid at room temperature?
3.
Chlorophyll is a naturally occurring chelate compound in which central metal is
4.
Which of the following is used in pencils?
5.
Which of the following metals forms an amalgam with other metals?
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