General
✓✗Which one of the following is a divalent anion?
- Oxide ion
- Carbonate ion
- Sulphate ion
- All are divalent anions
General
✓✗The scientist who gave Atomic Theory of matter was
- Rutherford
- Proust
- Dalton
- Kanad
General
✓✗Which one of the following is not a divalent cation?
- Ferrous ion
- Cuprous ion
- Cupric ion
- Mercuric ion
General
✓✗‘
’ represents
’ represents- 2 atoms of chlorine
- 2 molecules of chlorine
- 1 molecules of chlorine
- None of these
General
✓✗22 gms of carbon dioxide is equal to how many moles?
(Atomic mass - C = 12u, O = 16u)
(Atomic mass - C = 12u, O = 16u)
- 2 moles
- 1 mole
- 0.5 mole
- 0.25 moles
General
✓✗Molecular mass of methane is
- 12 u
- 16 u
- 20 u
- 34 u
General
✓✗Formula of Hydrogen Chloride is
General
✓✗Dalton’s symbol for Phosphorus is
General
✓✗Latin name of sodium is
- Kalium
- Natrium
- Stannum
- Sodium
General
✓✗Which Indian Philosopher proposed that matter (Padarth) is made up of very small particles called “parmanu”?
- Pakudha Katyayama
- Maharshi Vishvamitra
- Maharshi Kanad
- Charak