.: product have to be " 2NaCl "
2Na + Cl2 = 2NaCl
Therefore, the correct answer among the choices presented above is option A. Two molecules of NaCl is the product for the reaction.
the capillary tube was too close to the bottom of the beaker.
the ruler may have moved.
water got into the capillary tube.
the temperature was not allowed to equilibrate in the 2-4 minutes.
chemical properties are the characteristic of matter which can only be observed by changing the chemical identity of a sample like flammability reactivity and toxicity.