A. Methane,Ethane & Hexane
B. Ethane,Hexane &Nonane
C. Methane,Butane & Propane
D. All of these
Submitted by: Fahad Mehsud
0
What is the 2nd closest galaxy to the Milky Way?
0
In fireworks,the green flame is produced because of __________?
A. Triangulum
B. Andromeda
C. Messier 81
D. Whirlpool
Submitted by: Muhammad Fahad
0
Permanent hardness of water can be removed by adding __________?
A. Sodium
B. Barium
C. Mercury
D. Potassium
Submitted by: Fahad Mehsud
0
The two elements that are frequently used for making transistors are :
A. Chlorine
B. Washing soda
C. Bleaching powder
D. None of these
Submitted by: Fahad Mehsud
0
Which of the following was first to be discovered in the chromospheres of the sun?
A. Boron and aluminium
B. Silicon and Germanium
C. Iridium and Tungston
D. None of these
Submitted by: Fahad Mehsud
0
Which of the following is used as a lubricant?
A. Krypton
B. Xenon
C. Neon
D. Helium
Submitted by: Fahad Mehsud
0
Which is the largest organ in the human body?
A. Graphite
B. Silica
C. Iron oxide
D. Diamond
Submitted by: Fahad Mehsud