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- Subject
- Group III A and IVA Elementschemistry-mcqs › group-iii-a-and-iva-elements
- Published
- 18 Mar 2019
- Last updated
- 28 May 2026
Explanation
When the temperature of gallium arsenide increases, its electrical conductivity improves due to the enhanced mobility of charge carriers, resulting in increased conductivity.
More Group III A and IVA Elements MCQs
Practice related questions from the same subject.
- 1.Which of the following elements is capable of forming a +3 charged ion?
- 2.In which of the following applications is boric acid unsuitable for use?
- 3.Which of the following statements about carbon monoxide (CO) is accurate?
- 4.Why is carbon dioxide (CO2) a gas at room temperature, whereas silicon dioxide (SiO2) exists as a solid?
- 5.Which of these is not an application of silicon?
- 6.When a borax solution in water is heated above 62°C, which crystalline form does it produce?
- 7.What is the name of the method used to extract aluminium?
- 8.Identify the element that is not classified as a semiconductor from the list below:
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