Which of the following is the most toxic gas?
A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen
D. Hydrogen
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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) Egypt
(B) Portugal
(C) Switzerland
(D) Turkey
A. Velocity
B. Acceleration
C. Space
D. Temperature
Shortcut keys to switch to the next window is ____?
A. Ctrl +Tab
B. Shift + Tab
C. Alt + Ctrl
D. None of them
A. Hafeez Jalandhari
B. Ahmed G. Chagla
C. Allama Iqbal
D. Jahangir Aziz Hayat
A. Salt
B. Chlorine
C. Carbon dioxide
D. Water