sodium + H2O is a bit violent
I would bet on S because H2S is not only stinky but acid
an element 'x' react with water to form a solution which turns phenolphthalein indicator pink .The element 'x' is most likely
a) sulphur
b) sodium
c) carbon
d) silicon
5 answers
S won't do it since it isn't soluble in water. (C and Si are not soluble either). The answer is sodium.
2Na + 2H2O ==> H2 + 2NaOH and NaOH is a strong base which will turn phenolphthalein pink.
2Na + 2H2O ==> H2 + 2NaOH and NaOH is a strong base which will turn phenolphthalein pink.
Glad you came along DrBob !
Sodium
Sodium
1 answer