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
36.
Which of the following was to be discovered first in the chromospheres of the sun?
37.
Which of the following is in liquid form at room temperature?
38.
Sodium metal is kept under
39.
Which of the following are the ingredients of gun metal?
40.
From which mineral is radium obtained?
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