Cells and Batteries Quiz Questions and Answers PDF - 209

MCQ 1041: Cells with a size of the button are used in

1. heart pacemakers only
2. hearing aids only
3. dialyzer
4. heart pacemakers and hearing aids

MCQ 1042: Electrons clouds are always moving hence creating temporary forces called

1. Van der Waal's forces only
2. dipole-induced-dipole interaction only
3. dipole-dipole repulsion
4. Van der Waal's forces and dipole-induced-dipole interaction

MCQ 1043: There is often a difference in the empirical and molecular formula of

1. ionic compounds
2. inorganic molecules
3. organic molecules
4. co-ordinate compounds

MCQ 1044: Kelvin was the name of a

1. fish
2. river
3. city
4. beach

MCQ 1045: Fireworks release energy in the form of

1. heat
2. light
3. sound
4. all of above