Hydrazine (N2H4) is often used as a rocket fuel. It can be produced from the elements by reacting nitrogen gas (N2) with another substance. What is the correct amount of the substance that would react with nitrogen gas to form one mole of hydrazine?
A. H2
B. 2 H2
C. 2NH2
OD. 4 NH

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

your parents i think this could be it

the solar system used to have much dust particles option no d

the answer is true. hope it .