Correct answer
A. Radioactive elements
Explanation
Radioactive elements is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Which one of the following halogens is present in Teflon________________?
The compounds in which water molecules are added are called_______________?
_____________ surfactants perform well over a wide range water hardness and PH?
Example of ‘globular’ proteins is __________ ?
The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?
18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?