Question : Which of the following is not a donor atom?

Option 1: Phosphorus

Option 2: Antimony

Option 3: Arsenic

Option 4: Aluminium

Question : Which of the following are metalloids?

Option 1: Boron, Oxygen, Aluminium

Option 2: Boron, Mercury, Iron

Option 3: Boron, Silicon, Antimony

Option 4: Aluminium, Mercury, Copper

Question : Which one of the following forms of phosphorus is most reactive?

Option 1: Black phosphorus

Option 2: White phosphorus

Option 3: Violet phosphorus

Option 4: Red phosphorus

Question : Which of the following metals is most ductile?

Option 1: Copper

Option 2: Silver

Option 3: Gold

Option 4: Aluminium

Question : Which of the following is an ore of Aluminium?

Option 1: Galena

Option 2: Cryolite

Option 3: Cinnabar

Option 4: Epsom Salt

Question : Which of the following is an ore of Aluminium?

Option 1: Bauxite

Option 2: Granite

Option 3: Tantalite

Option 4: Magnetite