Electrical Devices and Circuit Symbols MCQ (Multiple Choice Questions) PDF - 118

MCQ 586: The electrode may not be made up of

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

MCQ 587: Fixed positions of valence electrons make materials

1. conductors
2. insulators
3. electrodes
4. catalysts

MCQ 588: Metal oxides and acids can be the reactants to form salts if the metals are

1. transition
2. at risk of sublimation
3. non-reactant with acids
4. none of above

MCQ 589: In chromatography, a locating agent is a chemical that reacts to produce a

1. condensed solution
2. concentrated solution
3. visible colored product
4. range of pH colors

MCQ 590: The process of sublimation refers to

1. conversion of solid directly into gas
2. conversion of gas into liquid
3. conversion of gas directly into solid
4. conversion of liquid into solid