Van der Walls forces in Chemistry MCQs with Answers PDF Download – Test 338

MCQ 1686: A mole of liquid can be converted into a mole of gas by:

1. breaking the bond energy
2. increasing the catalyst
3. reaching the enthalpy change of vaporization
4. decreasing catalyst

MCQ 1687: A greater quantity of negative charge exists between two atomic nuclei in:

1. ionic bonds
2. single covalent bonds
3. double covalent bonds
4. triple covalent bonds

MCQ 1688: Which statement is correct about Group-II metals who have attraction of high nuclear charge?

1. it is because of the greater shielding effect
2. it makes the loss of electrons impossible
3. it is because of the distance from the nucleus
4. it outweighs the attraction of higher nuclear charge

MCQ 1689: A fluorine atom (F) affects pair of an electron in a covalent bond, which is:

1. weakest
2. strongest
3. neutral
4. constant

MCQ 1690: The process of decomposition of calcium carbonate (CaCO₃) and formation of calcium oxide (CaO) and carbon dioxide (CO₂) takes place in:

1. furnace
2. factory
3. industry
4. lime kiln