Largest Galaxy in the Universe is_________?

A. Andromeda galaxy
B. Milky-way
C. Spiral galaxy
D. Horseshoe galaxy

Largest moon in our solar system is ________?

A. Deimos
B. Ganymede
C. Phobos
D. Arche

Which gas was discovered on the sun about 151 years ago during total solar eclipse?

A. Hydrogen
B. Helium
C. Nitrogen
D. Flourine

Approximate age of sun is _________?

A. 4.4 billion years
B. 4.5 billion years
C. 4.6 billion years
D. 4.7 billion years

Approximate age of moon is _________?

A. 4.51 billion years
B. 4.55 billion years
C. 4.53 billion years
D. 4.57 billion years

Approximate age of milky-way is ________?

A. 16.5 billion years
B. 15.5 billion years
C. 13.5 billion years
D. 14.5 billion years

Nearest galaxy to our milky way is ________?

A. Messier 81
B. Andromeda
C. Triangulum
D. Whirlpool

One Astronomical unit is equal to how much Km in whole numbers?

A. 160 million km
B. 140 million km
C. 150 million km
D. 130 million km

Sodium carbonate is produced by____________?

A. Haber process
B. Amonia solvay process
C. Decons process
D. Lead chamber process

The soul of chemistry is dealing with___________?

A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter