Q141. Which of following functional group represents Alkenes?

Q142. Which reagent is used to distinguish between cis and trans isomers of alkenes?

Q143. Where the electrochemical corrosion takes place ?

Q144. Diamond, a form of carbon, has:

Q145. What is the major drawback of using solid lubricants compared to liquid lubricants?

Q146. What is the hybridization of the carbon atoms in benzene?

Q147. What principle governs the lubrication mechanism of most solid lubricants?

Q148. ________ is a tiny building block that can join forces with other identical blocks to create bigger molecules.

Q149. Which of the following metals is most likely to undergo galvanic corrosion when in contact with iron?

Q150. Which of the following isomers exists for the compound propane \((CH_3CH_2CH_3)\)?