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

Which of the following is the most toxic gas?

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

Ujjain state located in__________?

A. Sindh
B. Punjab
C. India
D. Nepal

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