Category: Chemistry Mcqs

A. Nitrogen
B. Carbon
C. Oxygen
D. Hydrogen

A. H₂O
B. HCl
C. Co₂
D. NH₃

A. Ca
B. Al
C. K
D. Ba

A. Li
B. Be
C. H
D. He

A. Loses two Electron
B. Gains two electron
C. Loses 1 Electron
D. Gains 1 Electron

A. Ca⁺⁺
B. Al⁺⁺⁺
C. Br^-1
D. I^-2

A. Superoxide
B. Normal Oxide
C. Peroxide
D. None of these

A. Soda ash
B. Baking Soda
C. Washing Soda
D. None of these

A. Chemical Symbols
B. Chemical Elements
C. Chemical Atoms
D. Chemical Photons

A. Electron
B. Proton
C. Positron
D. Neutron