Valence Electrons Multiple Choice Questions (MCQ) PDF - 152

MCQ 756: The full shell of valence electrons make

1. metals
2. non metals
3. inert gases unreactive
4. isotopes

MCQ 757: Consider the equation P₄O₁₀ + H₂O → H₃PO₄. Moles of water required in the reaction would be

1. 2
2. 4
3. 6
4. 8

MCQ 758: The process of reduction involves

1. gain in hydrogen only
2. loss of oxygen only
3. loss of hydrogen
4. gain in hydrogen and loss of oxygen

MCQ 759: If the hydrogen (H⁺) of acid is fully replaced by a metal, the product is a

1. neutral oxides
2. amphoteric oxides
3. acid salt
4. salt

MCQ 760: Fewer vitamins and valuable nutrients are destroyed if the

1. smaller particles are cooked
2. larger food particles are cooked
3. if food is frozen
4. if food is fried