Reactivity of Elements Quiz Questions and Answers PDF - 25

MCQ 121: The metal used for the manufacturing of fibre-glass is

1. Gold
2. Platinum
3. Silver
4. Mercury

MCQ 122: The mode of hybridization in CH ₄ is

1. Tetrahedral
2. Trigonal
3. Bent
4. V-shaped

MCQ 123: When the temperature of the system remains constant, the graph shows

1. Pouring temperature
2. Thermal arrest
3. Slanted area
4. Isotherm

MCQ 124: The name halogen is derived from Greek word which means

1. Acid forming
2. Base forming
3. Salt forming
4. None of above

MCQ 125: Non-metallic character of an element decreases as the

1. Atomic size increases
2. Atomic size decreases
3. High nuclear charge
4. Low nuclear charge