Can you help me with this question

lithium is the most reactive alkali metal false as the reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal.

covalent bond is formed due to mutual sharing of electrons true

potassium is most reactive matal in activity series of metals false no lithium is more reactive than potassium

the process in which heat is given on surrounding is exothermic reaction not endothermic reaction

alkyl molecule is formed by removal of one hydrogen atom from alkane molecule true

Explanation:

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

i think it's c. i'm not sure but i think so.