Question : Which of the following is not a semiconductor?
Option 1: Silicon
Option 2: Krypton
Option 3: Selenium
Option 4: Germanium
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Correct Answer: Krypton
Solution : The correct option is Krypton.
Krypton is an inert element with a very low level of reactivity because it is a noble gas. Noble gases having entire electron shells, like krypton, are exceedingly stable, and inert toward other elements. Semiconductors are substances with electrical conductivities between those of insulators, and conductors, such as metals.
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Question : Which of the inert gases can form compounds?
Option 1: Helium
Option 2: Xenon
Option 3: Krypton
Option 4: Argon
Question : Directions: Arrange the given words in the sequence in which they occur in the dictionary. 1. Kite 2. Kangaroo 3. Krypton 4. Kaizen 5. Karma
Option 1: 4, 2, 5, 1, 3
Option 2: 4, 5, 2, 1, 3
Option 3: 2, 4, 5, 1, 3
Option 4: 2, 5, 4, 1, 3
Question : Which element has the maximum presence in the Sun?
Option 1: Hydrogen
Option 2: Oxygen
Option 3: Argon
Option 4: Krypton
Question : Which of the following is not a plantation crop?
Option 1: Rubber
Option 2: Tea
Option 3: Coffee
Option 4: Wheat
Question : Which of the following is not a Vedanga?
Option 1: Kalpa
Option 2: Nirukta
Option 3: Purva Mimamsa
Option 4: Shiksha
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