Which of the following is the most toxic gas?
A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen
D. Hydrogen
A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen
D. Hydrogen
Radon is___________?
A. germon radio
B. radio active gas
C. artificial fibre
D. an explosive
A. Vietnam
B. Singapore
C. Malaysia
D. China
A. Syed Ameer Ali
B. Hafiz Shirazi
C. Sir Syed Ahmed Khan
D. Maulana Muhammad Hussain Azad
A. 7708 meters
B. 7350 meters
C. 7870 meters
D. 7140 meters
A. Hot and dry
B. Hot and moist
C. Cold and dry
D. Cold and moist