A. An Alkalibase
B. Acid
C. Neutral
D. None

A. Oxygen
B. Helium
C. Hydrogen
D. None of these

A. Aikali
B. Salt
C. Chloride
D. None

A. Metalloid
B. Lanthanoid
C. Actanoid
D. Graphite

A. Methane
B. Hydrogen
C. Oxygen
D. Carbon dioxide

A. Periodic table
B. Atomic Table
C. Table of Elements
D. Molecular Table

A. Aluminium
B. Copper
C. Lead
D. Zinc

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

A. Burning of a paper
B. Conversion of water into steam
C. Digestion of food
D. Burning of coal

A. Hydrogen
B. Oxygen
C. Sodium
D. Copper